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-rw-r--r--mesalib/src/mesa/main/samplerobj.c2710
1 files changed, 1355 insertions, 1355 deletions
diff --git a/mesalib/src/mesa/main/samplerobj.c b/mesalib/src/mesa/main/samplerobj.c
index 55acb6d1f..2561f04bd 100644
--- a/mesalib/src/mesa/main/samplerobj.c
+++ b/mesalib/src/mesa/main/samplerobj.c
@@ -1,1355 +1,1355 @@
-/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 2011 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file samplerobj.c
- * \brief Functions for the GL_ARB_sampler_objects extension.
- * \author Brian Paul
- */
-
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/dispatch.h"
-#include "main/enums.h"
-#include "main/hash.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "main/samplerobj.h"
-
-
-static struct gl_sampler_object *
-_mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name)
-{
- if (name == 0)
- return NULL;
- else
- return (struct gl_sampler_object *)
- _mesa_HashLookup(ctx->Shared->SamplerObjects, name);
-}
-
-
-/**
- * Handle reference counting.
- */
-void
-_mesa_reference_sampler_object(struct gl_context *ctx,
- struct gl_sampler_object **ptr,
- struct gl_sampler_object *samp)
-{
- if (*ptr == samp)
- return;
-
- if (*ptr) {
- /* Unreference the old buffer */
- GLboolean deleteFlag = GL_FALSE;
- struct gl_sampler_object *oldSamp = *ptr;
-
- /*_glthread_LOCK_MUTEX(oldSamp->Mutex);*/
- ASSERT(oldSamp->RefCount > 0);
- oldSamp->RefCount--;
-#if 0
- printf("SamplerObj %p %d DECR to %d\n",
- (void *) oldSamp, oldSamp->Name, oldSamp->RefCount);
-#endif
- deleteFlag = (oldSamp->RefCount == 0);
- /*_glthread_UNLOCK_MUTEX(oldSamp->Mutex);*/
-
- if (deleteFlag) {
- ASSERT(ctx->Driver.DeleteSamplerObject);
- ctx->Driver.DeleteSamplerObject(ctx, oldSamp);
- }
-
- *ptr = NULL;
- }
- ASSERT(!*ptr);
-
- if (samp) {
- /* reference new sampler */
- /*_glthread_LOCK_MUTEX(samp->Mutex);*/
- if (samp->RefCount == 0) {
- /* this buffer's being deleted (look just above) */
- /* Not sure this can every really happen. Warn if it does. */
- _mesa_problem(NULL, "referencing deleted buffer object");
- *ptr = NULL;
- }
- else {
- samp->RefCount++;
-#if 0
- printf("SamplerObj %p %d INCR to %d\n",
- (void *) samp, samp->Name, samp->RefCount);
-#endif
- *ptr = samp;
- }
- /*_glthread_UNLOCK_MUTEX(samp->Mutex);*/
- }
-}
-
-
-/**
- * Initialize the fields of the given sampler object.
- */
-void
-_mesa_init_sampler_object(struct gl_sampler_object *sampObj, GLuint name)
-{
- sampObj->Name = name;
- sampObj->RefCount = 1;
- sampObj->WrapS = GL_REPEAT;
- sampObj->WrapT = GL_REPEAT;
- sampObj->WrapR = GL_REPEAT;
- sampObj->MinFilter = GL_NEAREST_MIPMAP_LINEAR;
- sampObj->MagFilter = GL_LINEAR;
- sampObj->BorderColor.f[0] = 0.0;
- sampObj->BorderColor.f[1] = 0.0;
- sampObj->BorderColor.f[2] = 0.0;
- sampObj->BorderColor.f[3] = 0.0;
- sampObj->MinLod = -1000.0F;
- sampObj->MaxLod = 1000.0F;
- sampObj->LodBias = 0.0F;
- sampObj->MaxAnisotropy = 1.0F;
- sampObj->CompareMode = GL_NONE;
- sampObj->CompareFunc = GL_LEQUAL;
- sampObj->CompareFailValue = 0.0;
- sampObj->sRGBDecode = GL_FALSE;
- sampObj->DepthMode = 0;
-}
-
-
-/**
- * Fallback for ctx->Driver.NewSamplerObject();
- */
-struct gl_sampler_object *
-_mesa_new_sampler_object(struct gl_context *ctx, GLuint name)
-{
- struct gl_sampler_object *sampObj = CALLOC_STRUCT(gl_sampler_object);
- if (sampObj) {
- _mesa_init_sampler_object(sampObj, name);
- }
- return sampObj;
-}
-
-
-/**
- * Fallback for ctx->Driver.DeleteSamplerObject();
- */
-void
-_mesa_delete_sampler_object(struct gl_context *ctx,
- struct gl_sampler_object *sampObj)
-{
- FREE(sampObj);
-}
-
-
-static void GLAPIENTRY
-_mesa_GenSamplers(GLsizei count, GLuint *samplers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGenSamplers(%d)\n", count);
-
- if (count < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenSamplers");
- return;
- }
-
- if (!samplers)
- return;
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->SamplerObjects, count);
-
- /* Insert the ID and pointer to new sampler object into hash table */
- for (i = 0; i < count; i++) {
- struct gl_sampler_object *sampObj =
- ctx->Driver.NewSamplerObject(ctx, first + i);
- _mesa_HashInsert(ctx->Shared->SamplerObjects, first + i, sampObj);
- samplers[i] = first + i;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLsizei i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, 0);
-
- if (count < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSamplers(count)");
- return;
- }
-
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
- for (i = 0; i < count; i++) {
- if (samplers[i]) {
- struct gl_sampler_object *sampObj =
- _mesa_lookup_samplerobj(ctx, samplers[i]);
- if (sampObj) {
- /* The ID is immediately freed for re-use */
- _mesa_HashRemove(ctx->Shared->SamplerObjects, samplers[i]);
- /* But the object exists until its reference count goes to zero */
- _mesa_reference_sampler_object(ctx, &sampObj, NULL);
- }
- }
- }
-
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-}
-
-
-static GLboolean GLAPIENTRY
-_mesa_IsSampler(GLuint sampler)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (sampler == 0)
- return GL_FALSE;
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
-
- return sampObj != NULL;
-}
-
-
-static void GLAPIENTRY
-_mesa_BindSampler(GLuint unit, GLuint sampler)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- if (unit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit);
- return;
- }
-
- if (sampler == 0) {
- /* Use the default sampler object, the one contained in the texture
- * object.
- */
- sampObj = NULL;
- }
- else {
- /* user-defined sampler object */
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindSampler(sampler)");
- return;
- }
- }
-
- if (ctx->Texture.Unit[unit].Sampler != sampObj) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- }
-
- /* bind new sampler */
- _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler,
- sampObj);
-}
-
-
-/**
- * Check if a coordinate wrap mode is supported for the texture target.
- * \return GL_TRUE if legal, GL_FALSE otherwise
- */
-static GLboolean
-validate_texture_wrap_mode(struct gl_context *ctx, GLenum wrap)
-{
- const struct gl_extensions * const e = &ctx->Extensions;
-
- switch (wrap) {
- case GL_CLAMP:
- case GL_CLAMP_TO_EDGE:
- case GL_REPEAT:
- return GL_TRUE;
- case GL_CLAMP_TO_BORDER:
- return e->ARB_texture_border_clamp;
- case GL_MIRRORED_REPEAT:
- return e->ARB_texture_mirrored_repeat;
- case GL_MIRROR_CLAMP_EXT:
- return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp;
- case GL_MIRROR_CLAMP_TO_EDGE_EXT:
- return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp;
- case GL_MIRROR_CLAMP_TO_BORDER_EXT:
- return e->EXT_texture_mirror_clamp;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * This is called just prior to changing any sampler object state.
- */
-static INLINE void
-flush(struct gl_context *ctx)
-{
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-}
-
-
-#define INVALID_PARAM 0x100
-#define INVALID_PNAME 0x101
-#define INVALID_VALUE 0x102
-
-static GLuint
-set_sampler_wrap_s(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->WrapS == param)
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, param)) {
- flush(ctx);
- samp->WrapS = param;
- return GL_TRUE;
- }
- return INVALID_PARAM;
-}
-
-
-static GLuint
-set_sampler_wrap_t(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->WrapT == param)
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, param)) {
- flush(ctx);
- samp->WrapT = param;
- return GL_TRUE;
- }
- return INVALID_PARAM;
-}
-
-
-static GLuint
-set_sampler_wrap_r(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->WrapR == param)
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, param)) {
- flush(ctx);
- samp->WrapR = param;
- return GL_TRUE;
- }
- return INVALID_PARAM;
-}
-
-
-static GLuint
-set_sampler_min_filter(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->MinFilter == param)
- return GL_FALSE;
-
- switch (param) {
- case GL_NEAREST:
- case GL_LINEAR:
- case GL_NEAREST_MIPMAP_NEAREST:
- case GL_LINEAR_MIPMAP_NEAREST:
- case GL_NEAREST_MIPMAP_LINEAR:
- case GL_LINEAR_MIPMAP_LINEAR:
- flush(ctx);
- samp->MinFilter = param;
- return GL_TRUE;
- default:
- return INVALID_PARAM;
- }
-}
-
-
-static GLuint
-set_sampler_mag_filter(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->MagFilter == param)
- return GL_FALSE;
-
- switch (param) {
- case GL_NEAREST:
- case GL_LINEAR:
- flush(ctx);
- samp->MagFilter = param;
- return GL_TRUE;
- default:
- return INVALID_PARAM;
- }
-}
-
-
-static GLuint
-set_sampler_lod_bias(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLfloat param)
-{
- if (samp->LodBias == param)
- return GL_FALSE;
-
- flush(ctx);
- samp->LodBias = param;
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_border_colorf(struct gl_context *ctx,
- struct gl_sampler_object *samp,
- const GLfloat params[4])
-{
- flush(ctx);
- samp->BorderColor.f[RCOMP] = params[0];
- samp->BorderColor.f[GCOMP] = params[1];
- samp->BorderColor.f[BCOMP] = params[2];
- samp->BorderColor.f[ACOMP] = params[3];
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_border_colori(struct gl_context *ctx,
- struct gl_sampler_object *samp,
- const GLint params[4])
-{
- flush(ctx);
- samp->BorderColor.i[RCOMP] = params[0];
- samp->BorderColor.i[GCOMP] = params[1];
- samp->BorderColor.i[BCOMP] = params[2];
- samp->BorderColor.i[ACOMP] = params[3];
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_border_colorui(struct gl_context *ctx,
- struct gl_sampler_object *samp,
- const GLuint params[4])
-{
- flush(ctx);
- samp->BorderColor.ui[RCOMP] = params[0];
- samp->BorderColor.ui[GCOMP] = params[1];
- samp->BorderColor.ui[BCOMP] = params[2];
- samp->BorderColor.ui[ACOMP] = params[3];
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_min_lod(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLfloat param)
-{
- if (samp->MinLod == param)
- return GL_FALSE;
-
- flush(ctx);
- samp->MinLod = param;
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_max_lod(struct gl_context *ctx, struct gl_sampler_object *samp,
- GLint param)
-{
- if (samp->MaxLod == param)
- return GL_FALSE;
-
- flush(ctx);
- samp->MaxLod = param;
- return GL_TRUE;
-}
-
-
-static GLuint
-set_sampler_compare_mode(struct gl_context *ctx,
- struct gl_sampler_object *samp, GLint param)
-{
- if (!ctx->Extensions.ARB_shadow)
- return INVALID_PNAME;
-
- if (samp->CompareMode == param)
- return GL_FALSE;
-
- if (param == GL_NONE ||
- param == GL_COMPARE_R_TO_TEXTURE_ARB) {
- flush(ctx);
- samp->CompareMode = param;
- return GL_TRUE;
- }
-
- return INVALID_PARAM;
-}
-
-
-static GLuint
-set_sampler_compare_func(struct gl_context *ctx,
- struct gl_sampler_object *samp, GLint param)
-{
- if (!ctx->Extensions.ARB_shadow)
- return INVALID_PNAME;
-
- if (samp->CompareFunc == param)
- return GL_FALSE;
-
- switch (param) {
- case GL_LEQUAL:
- case GL_GEQUAL:
- flush(ctx);
- samp->CompareFunc = param;
- return GL_TRUE;
- case GL_EQUAL:
- case GL_NOTEQUAL:
- case GL_LESS:
- case GL_GREATER:
- case GL_ALWAYS:
- case GL_NEVER:
- if (ctx->Extensions.EXT_shadow_funcs) {
- flush(ctx);
- samp->CompareFunc = param;
- return GL_TRUE;
- }
- /* fall-through */
- default:
- return INVALID_PARAM;
- }
-}
-
-
-static GLuint
-set_sampler_max_anisotropy(struct gl_context *ctx,
- struct gl_sampler_object *samp, GLfloat param)
-{
- if (!ctx->Extensions.EXT_texture_filter_anisotropic)
- return INVALID_PNAME;
-
- if (samp->MaxAnisotropy == param)
- return GL_FALSE;
-
- if (param < 1.0)
- return INVALID_VALUE;
-
- flush(ctx);
- /* clamp to max, that's what NVIDIA does */
- samp->MaxAnisotropy = MIN2(param, ctx->Const.MaxTextureMaxAnisotropy);
- return GL_TRUE;
-}
-
-
-static void GLAPIENTRY
-_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, param);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, param);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, param);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, param);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, param);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, (GLfloat) param);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, (GLfloat) param);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) param);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, param);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, param);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) param);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- /* fall-through */
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(param=%d)\n",
- param);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(param=%d)\n",
- param);
- break;
- default:
- ;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, param);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, param);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, param);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, (GLint) param);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, param);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- /* fall-through */
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(param=%f)\n",
- param);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(param=%f)\n",
- param);
- break;
- default:
- ;
- }
-}
-
-static void GLAPIENTRY
-_mesa_SamplerParameteriv(GLuint sampler, GLenum pname, const GLint *params)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat c[4];
- c[0] = INT_TO_FLOAT(params[0]);
- c[1] = INT_TO_FLOAT(params[1]);
- c[2] = INT_TO_FLOAT(params[2]);
- c[3] = INT_TO_FLOAT(params[3]);
- res = set_sampler_border_colorf(ctx, sampObj, c);
- }
- break;
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(param=%d)\n",
- params[0]);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(param=%d)\n",
- params[0]);
- break;
- default:
- ;
- }
-}
-
-static void GLAPIENTRY
-_mesa_SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat *params)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, (GLint) params[0]);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- res = set_sampler_border_colorf(ctx, sampObj, params);
- break;
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(param=%f)\n",
- params[0]);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(param=%f)\n",
- params[0]);
- break;
- default:
- ;
- }
-}
-
-static void GLAPIENTRY
-_mesa_SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint *params)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- res = set_sampler_border_colori(ctx, sampObj, params);
- break;
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(param=%d)\n",
- params[0]);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(param=%d)\n",
- params[0]);
- break;
- default:
- ;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint *params)
-{
- struct gl_sampler_object *sampObj;
- GLuint res;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- res = set_sampler_wrap_s(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_T:
- res = set_sampler_wrap_t(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_WRAP_R:
- res = set_sampler_wrap_r(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_FILTER:
- res = set_sampler_min_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAG_FILTER:
- res = set_sampler_mag_filter(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MIN_LOD:
- res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_MAX_LOD:
- res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_LOD_BIAS:
- res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_COMPARE_MODE:
- res = set_sampler_compare_mode(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- res = set_sampler_compare_func(ctx, sampObj, params[0]);
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- res = set_sampler_border_colorui(ctx, sampObj, params);
- break;
- default:
- res = INVALID_PNAME;
- }
-
- switch (res) {
- case GL_FALSE:
- /* no change */
- break;
- case GL_TRUE:
- /* state change - we do nothing special at this time */
- break;
- case INVALID_PNAME:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(pname=%s)\n",
- _mesa_lookup_enum_by_nr(pname));
- break;
- case INVALID_PARAM:
- _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(param=%u)\n",
- params[0]);
- break;
- case INVALID_VALUE:
- _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(param=%u)\n",
- params[0]);
- break;
- default:
- ;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint *params)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameteriv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- *params = sampObj->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = sampObj->WrapT;
- break;
- case GL_TEXTURE_WRAP_R:
- *params = sampObj->WrapR;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = sampObj->MinFilter;
- break;
- case GL_TEXTURE_MAG_FILTER:
- *params = sampObj->MagFilter;
- break;
- case GL_TEXTURE_MIN_LOD:
- *params = (GLint) sampObj->MinLod;
- break;
- case GL_TEXTURE_MAX_LOD:
- *params = (GLint) sampObj->MaxLod;
- break;
- case GL_TEXTURE_LOD_BIAS:
- *params = (GLint) sampObj->LodBias;
- break;
- case GL_TEXTURE_COMPARE_MODE:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareMode;
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareFunc;
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- *params = (GLint) sampObj->MaxAnisotropy;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = FLOAT_TO_INT(sampObj->BorderColor.f[0]);
- params[1] = FLOAT_TO_INT(sampObj->BorderColor.f[1]);
- params[2] = FLOAT_TO_INT(sampObj->BorderColor.f[2]);
- params[3] = FLOAT_TO_INT(sampObj->BorderColor.f[3]);
- break;
- default:
- goto invalid_pname;
- }
- return;
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameteriv(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
-}
-
-
-static void GLAPIENTRY
-_mesa_GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat *params)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameterfv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- *params = (GLfloat) sampObj->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = (GLfloat) sampObj->WrapT;
- break;
- case GL_TEXTURE_WRAP_R:
- *params = (GLfloat) sampObj->WrapR;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLfloat) sampObj->MinFilter;
- break;
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLfloat) sampObj->MagFilter;
- break;
- case GL_TEXTURE_MIN_LOD:
- *params = sampObj->MinLod;
- break;
- case GL_TEXTURE_MAX_LOD:
- *params = sampObj->MaxLod;
- break;
- case GL_TEXTURE_LOD_BIAS:
- *params = sampObj->LodBias;
- break;
- case GL_TEXTURE_COMPARE_MODE:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = (GLfloat) sampObj->CompareMode;
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = (GLfloat) sampObj->CompareFunc;
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- *params = sampObj->MaxAnisotropy;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = sampObj->BorderColor.f[0];
- params[1] = sampObj->BorderColor.f[1];
- params[2] = sampObj->BorderColor.f[2];
- params[3] = sampObj->BorderColor.f[3];
- break;
- default:
- goto invalid_pname;
- }
- return;
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterfv(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
-}
-
-
-static void GLAPIENTRY
-_mesa_GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint *params)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetSamplerParameterIiv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- *params = sampObj->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = sampObj->WrapT;
- break;
- case GL_TEXTURE_WRAP_R:
- *params = sampObj->WrapR;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = sampObj->MinFilter;
- break;
- case GL_TEXTURE_MAG_FILTER:
- *params = sampObj->MagFilter;
- break;
- case GL_TEXTURE_MIN_LOD:
- *params = (GLint) sampObj->MinLod;
- break;
- case GL_TEXTURE_MAX_LOD:
- *params = (GLint) sampObj->MaxLod;
- break;
- case GL_TEXTURE_LOD_BIAS:
- *params = (GLint) sampObj->LodBias;
- break;
- case GL_TEXTURE_COMPARE_MODE:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareMode;
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareFunc;
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- *params = (GLint) sampObj->MaxAnisotropy;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = sampObj->BorderColor.i[0];
- params[1] = sampObj->BorderColor.i[1];
- params[2] = sampObj->BorderColor.i[2];
- params[3] = sampObj->BorderColor.i[3];
- break;
- default:
- goto invalid_pname;
- }
- return;
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIiv(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
-}
-
-
-static void GLAPIENTRY
-_mesa_GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint *params)
-{
- struct gl_sampler_object *sampObj;
- GET_CURRENT_CONTEXT(ctx);
-
- sampObj = _mesa_lookup_samplerobj(ctx, sampler);
- if (!sampObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetSamplerParameterIuiv(sampler %u)",
- sampler);
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_WRAP_S:
- *params = sampObj->WrapS;
- break;
- case GL_TEXTURE_WRAP_T:
- *params = sampObj->WrapT;
- break;
- case GL_TEXTURE_WRAP_R:
- *params = sampObj->WrapR;
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = sampObj->MinFilter;
- break;
- case GL_TEXTURE_MAG_FILTER:
- *params = sampObj->MagFilter;
- break;
- case GL_TEXTURE_MIN_LOD:
- *params = (GLuint) sampObj->MinLod;
- break;
- case GL_TEXTURE_MAX_LOD:
- *params = (GLuint) sampObj->MaxLod;
- break;
- case GL_TEXTURE_LOD_BIAS:
- *params = (GLuint) sampObj->LodBias;
- break;
- case GL_TEXTURE_COMPARE_MODE:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareMode;
- break;
- case GL_TEXTURE_COMPARE_FUNC:
- if (!ctx->Extensions.ARB_shadow)
- goto invalid_pname;
- *params = sampObj->CompareFunc;
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- *params = (GLuint) sampObj->MaxAnisotropy;
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = sampObj->BorderColor.ui[0];
- params[1] = sampObj->BorderColor.ui[1];
- params[2] = sampObj->BorderColor.ui[2];
- params[3] = sampObj->BorderColor.ui[3];
- break;
- default:
- goto invalid_pname;
- }
- return;
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIuiv(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
-}
-
-
-void
-_mesa_init_sampler_object_functions(struct dd_function_table *driver)
-{
- driver->NewSamplerObject = _mesa_new_sampler_object;
- driver->DeleteSamplerObject = _mesa_delete_sampler_object;
-}
-
-
-void
-_mesa_init_sampler_object_dispatch(struct _glapi_table *disp)
-{
- SET_GenSamplers(disp, _mesa_GenSamplers);
- SET_DeleteSamplers(disp, _mesa_DeleteSamplers);
- SET_IsSampler(disp, _mesa_IsSampler);
- SET_BindSampler(disp, _mesa_BindSampler);
- SET_SamplerParameteri(disp, _mesa_SamplerParameteri);
- SET_SamplerParameterf(disp, _mesa_SamplerParameterf);
- SET_SamplerParameteriv(disp, _mesa_SamplerParameteriv);
- SET_SamplerParameterfv(disp, _mesa_SamplerParameterfv);
- SET_SamplerParameterIiv(disp, _mesa_SamplerParameterIiv);
- SET_SamplerParameterIuiv(disp, _mesa_SamplerParameterIuiv);
- SET_GetSamplerParameteriv(disp, _mesa_GetSamplerParameteriv);
- SET_GetSamplerParameterfv(disp, _mesa_GetSamplerParameterfv);
- SET_GetSamplerParameterIiv(disp, _mesa_GetSamplerParameterIiv);
- SET_GetSamplerParameterIuiv(disp, _mesa_GetSamplerParameterIuiv);
-}
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2011 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file samplerobj.c
+ * \brief Functions for the GL_ARB_sampler_objects extension.
+ * \author Brian Paul
+ */
+
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/dispatch.h"
+#include "main/enums.h"
+#include "main/hash.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/mtypes.h"
+#include "main/samplerobj.h"
+
+
+static struct gl_sampler_object *
+_mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name)
+{
+ if (name == 0)
+ return NULL;
+ else
+ return (struct gl_sampler_object *)
+ _mesa_HashLookup(ctx->Shared->SamplerObjects, name);
+}
+
+
+/**
+ * Handle reference counting.
+ */
+void
+_mesa_reference_sampler_object(struct gl_context *ctx,
+ struct gl_sampler_object **ptr,
+ struct gl_sampler_object *samp)
+{
+ if (*ptr == samp)
+ return;
+
+ if (*ptr) {
+ /* Unreference the old sampler */
+ GLboolean deleteFlag = GL_FALSE;
+ struct gl_sampler_object *oldSamp = *ptr;
+
+ /*_glthread_LOCK_MUTEX(oldSamp->Mutex);*/
+ ASSERT(oldSamp->RefCount > 0);
+ oldSamp->RefCount--;
+#if 0
+ printf("SamplerObj %p %d DECR to %d\n",
+ (void *) oldSamp, oldSamp->Name, oldSamp->RefCount);
+#endif
+ deleteFlag = (oldSamp->RefCount == 0);
+ /*_glthread_UNLOCK_MUTEX(oldSamp->Mutex);*/
+
+ if (deleteFlag) {
+ ASSERT(ctx->Driver.DeleteSamplerObject);
+ ctx->Driver.DeleteSamplerObject(ctx, oldSamp);
+ }
+
+ *ptr = NULL;
+ }
+ ASSERT(!*ptr);
+
+ if (samp) {
+ /* reference new sampler */
+ /*_glthread_LOCK_MUTEX(samp->Mutex);*/
+ if (samp->RefCount == 0) {
+ /* this sampler's being deleted (look just above) */
+ /* Not sure this can every really happen. Warn if it does. */
+ _mesa_problem(NULL, "referencing deleted sampler object");
+ *ptr = NULL;
+ }
+ else {
+ samp->RefCount++;
+#if 0
+ printf("SamplerObj %p %d INCR to %d\n",
+ (void *) samp, samp->Name, samp->RefCount);
+#endif
+ *ptr = samp;
+ }
+ /*_glthread_UNLOCK_MUTEX(samp->Mutex);*/
+ }
+}
+
+
+/**
+ * Initialize the fields of the given sampler object.
+ */
+void
+_mesa_init_sampler_object(struct gl_sampler_object *sampObj, GLuint name)
+{
+ sampObj->Name = name;
+ sampObj->RefCount = 1;
+ sampObj->WrapS = GL_REPEAT;
+ sampObj->WrapT = GL_REPEAT;
+ sampObj->WrapR = GL_REPEAT;
+ sampObj->MinFilter = GL_NEAREST_MIPMAP_LINEAR;
+ sampObj->MagFilter = GL_LINEAR;
+ sampObj->BorderColor.f[0] = 0.0;
+ sampObj->BorderColor.f[1] = 0.0;
+ sampObj->BorderColor.f[2] = 0.0;
+ sampObj->BorderColor.f[3] = 0.0;
+ sampObj->MinLod = -1000.0F;
+ sampObj->MaxLod = 1000.0F;
+ sampObj->LodBias = 0.0F;
+ sampObj->MaxAnisotropy = 1.0F;
+ sampObj->CompareMode = GL_NONE;
+ sampObj->CompareFunc = GL_LEQUAL;
+ sampObj->CompareFailValue = 0.0;
+ sampObj->sRGBDecode = GL_FALSE;
+ sampObj->DepthMode = 0;
+}
+
+
+/**
+ * Fallback for ctx->Driver.NewSamplerObject();
+ */
+struct gl_sampler_object *
+_mesa_new_sampler_object(struct gl_context *ctx, GLuint name)
+{
+ struct gl_sampler_object *sampObj = CALLOC_STRUCT(gl_sampler_object);
+ if (sampObj) {
+ _mesa_init_sampler_object(sampObj, name);
+ }
+ return sampObj;
+}
+
+
+/**
+ * Fallback for ctx->Driver.DeleteSamplerObject();
+ */
+void
+_mesa_delete_sampler_object(struct gl_context *ctx,
+ struct gl_sampler_object *sampObj)
+{
+ FREE(sampObj);
+}
+
+
+static void GLAPIENTRY
+_mesa_GenSamplers(GLsizei count, GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glGenSamplers(%d)\n", count);
+
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenSamplers");
+ return;
+ }
+
+ if (!samplers)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->SamplerObjects, count);
+
+ /* Insert the ID and pointer to new sampler object into hash table */
+ for (i = 0; i < count; i++) {
+ struct gl_sampler_object *sampObj =
+ ctx->Driver.NewSamplerObject(ctx, first + i);
+ _mesa_HashInsert(ctx->Shared->SamplerObjects, first + i, sampObj);
+ samplers[i] = first + i;
+ }
+}
+
+
+static void GLAPIENTRY
+_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLsizei i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, 0);
+
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteSamplers(count)");
+ return;
+ }
+
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+
+ for (i = 0; i < count; i++) {
+ if (samplers[i]) {
+ struct gl_sampler_object *sampObj =
+ _mesa_lookup_samplerobj(ctx, samplers[i]);
+ if (sampObj) {
+ /* The ID is immediately freed for re-use */
+ _mesa_HashRemove(ctx->Shared->SamplerObjects, samplers[i]);
+ /* But the object exists until its reference count goes to zero */
+ _mesa_reference_sampler_object(ctx, &sampObj, NULL);
+ }
+ }
+ }
+
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+}
+
+
+static GLboolean GLAPIENTRY
+_mesa_IsSampler(GLuint sampler)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (sampler == 0)
+ return GL_FALSE;
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+
+ return sampObj != NULL;
+}
+
+
+static void GLAPIENTRY
+_mesa_BindSampler(GLuint unit, GLuint sampler)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (unit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindSampler(unit %u)", unit);
+ return;
+ }
+
+ if (sampler == 0) {
+ /* Use the default sampler object, the one contained in the texture
+ * object.
+ */
+ sampObj = NULL;
+ }
+ else {
+ /* user-defined sampler object */
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindSampler(sampler)");
+ return;
+ }
+ }
+
+ if (ctx->Texture.Unit[unit].Sampler != sampObj) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ }
+
+ /* bind new sampler */
+ _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[unit].Sampler,
+ sampObj);
+}
+
+
+/**
+ * Check if a coordinate wrap mode is legal.
+ * \return GL_TRUE if legal, GL_FALSE otherwise
+ */
+static GLboolean
+validate_texture_wrap_mode(struct gl_context *ctx, GLenum wrap)
+{
+ const struct gl_extensions * const e = &ctx->Extensions;
+
+ switch (wrap) {
+ case GL_CLAMP:
+ case GL_CLAMP_TO_EDGE:
+ case GL_REPEAT:
+ return GL_TRUE;
+ case GL_CLAMP_TO_BORDER:
+ return e->ARB_texture_border_clamp;
+ case GL_MIRRORED_REPEAT:
+ return e->ARB_texture_mirrored_repeat;
+ case GL_MIRROR_CLAMP_EXT:
+ return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp;
+ case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+ return e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp;
+ case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+ return e->EXT_texture_mirror_clamp;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * This is called just prior to changing any sampler object state.
+ */
+static INLINE void
+flush(struct gl_context *ctx)
+{
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+}
+
+
+#define INVALID_PARAM 0x100
+#define INVALID_PNAME 0x101
+#define INVALID_VALUE 0x102
+
+static GLuint
+set_sampler_wrap_s(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->WrapS == param)
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, param)) {
+ flush(ctx);
+ samp->WrapS = param;
+ return GL_TRUE;
+ }
+ return INVALID_PARAM;
+}
+
+
+static GLuint
+set_sampler_wrap_t(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->WrapT == param)
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, param)) {
+ flush(ctx);
+ samp->WrapT = param;
+ return GL_TRUE;
+ }
+ return INVALID_PARAM;
+}
+
+
+static GLuint
+set_sampler_wrap_r(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->WrapR == param)
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, param)) {
+ flush(ctx);
+ samp->WrapR = param;
+ return GL_TRUE;
+ }
+ return INVALID_PARAM;
+}
+
+
+static GLuint
+set_sampler_min_filter(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->MinFilter == param)
+ return GL_FALSE;
+
+ switch (param) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ flush(ctx);
+ samp->MinFilter = param;
+ return GL_TRUE;
+ default:
+ return INVALID_PARAM;
+ }
+}
+
+
+static GLuint
+set_sampler_mag_filter(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->MagFilter == param)
+ return GL_FALSE;
+
+ switch (param) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ flush(ctx);
+ samp->MagFilter = param;
+ return GL_TRUE;
+ default:
+ return INVALID_PARAM;
+ }
+}
+
+
+static GLuint
+set_sampler_lod_bias(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLfloat param)
+{
+ if (samp->LodBias == param)
+ return GL_FALSE;
+
+ flush(ctx);
+ samp->LodBias = param;
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_border_colorf(struct gl_context *ctx,
+ struct gl_sampler_object *samp,
+ const GLfloat params[4])
+{
+ flush(ctx);
+ samp->BorderColor.f[RCOMP] = params[0];
+ samp->BorderColor.f[GCOMP] = params[1];
+ samp->BorderColor.f[BCOMP] = params[2];
+ samp->BorderColor.f[ACOMP] = params[3];
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_border_colori(struct gl_context *ctx,
+ struct gl_sampler_object *samp,
+ const GLint params[4])
+{
+ flush(ctx);
+ samp->BorderColor.i[RCOMP] = params[0];
+ samp->BorderColor.i[GCOMP] = params[1];
+ samp->BorderColor.i[BCOMP] = params[2];
+ samp->BorderColor.i[ACOMP] = params[3];
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_border_colorui(struct gl_context *ctx,
+ struct gl_sampler_object *samp,
+ const GLuint params[4])
+{
+ flush(ctx);
+ samp->BorderColor.ui[RCOMP] = params[0];
+ samp->BorderColor.ui[GCOMP] = params[1];
+ samp->BorderColor.ui[BCOMP] = params[2];
+ samp->BorderColor.ui[ACOMP] = params[3];
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_min_lod(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLfloat param)
+{
+ if (samp->MinLod == param)
+ return GL_FALSE;
+
+ flush(ctx);
+ samp->MinLod = param;
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_max_lod(struct gl_context *ctx, struct gl_sampler_object *samp,
+ GLint param)
+{
+ if (samp->MaxLod == param)
+ return GL_FALSE;
+
+ flush(ctx);
+ samp->MaxLod = param;
+ return GL_TRUE;
+}
+
+
+static GLuint
+set_sampler_compare_mode(struct gl_context *ctx,
+ struct gl_sampler_object *samp, GLint param)
+{
+ if (!ctx->Extensions.ARB_shadow)
+ return INVALID_PNAME;
+
+ if (samp->CompareMode == param)
+ return GL_FALSE;
+
+ if (param == GL_NONE ||
+ param == GL_COMPARE_R_TO_TEXTURE_ARB) {
+ flush(ctx);
+ samp->CompareMode = param;
+ return GL_TRUE;
+ }
+
+ return INVALID_PARAM;
+}
+
+
+static GLuint
+set_sampler_compare_func(struct gl_context *ctx,
+ struct gl_sampler_object *samp, GLint param)
+{
+ if (!ctx->Extensions.ARB_shadow)
+ return INVALID_PNAME;
+
+ if (samp->CompareFunc == param)
+ return GL_FALSE;
+
+ switch (param) {
+ case GL_LEQUAL:
+ case GL_GEQUAL:
+ flush(ctx);
+ samp->CompareFunc = param;
+ return GL_TRUE;
+ case GL_EQUAL:
+ case GL_NOTEQUAL:
+ case GL_LESS:
+ case GL_GREATER:
+ case GL_ALWAYS:
+ case GL_NEVER:
+ if (ctx->Extensions.EXT_shadow_funcs) {
+ flush(ctx);
+ samp->CompareFunc = param;
+ return GL_TRUE;
+ }
+ /* fall-through */
+ default:
+ return INVALID_PARAM;
+ }
+}
+
+
+static GLuint
+set_sampler_max_anisotropy(struct gl_context *ctx,
+ struct gl_sampler_object *samp, GLfloat param)
+{
+ if (!ctx->Extensions.EXT_texture_filter_anisotropic)
+ return INVALID_PNAME;
+
+ if (samp->MaxAnisotropy == param)
+ return GL_FALSE;
+
+ if (param < 1.0)
+ return INVALID_VALUE;
+
+ flush(ctx);
+ /* clamp to max, that's what NVIDIA does */
+ samp->MaxAnisotropy = MIN2(param, ctx->Const.MaxTextureMaxAnisotropy);
+ return GL_TRUE;
+}
+
+
+static void GLAPIENTRY
+_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, (GLfloat) param);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, (GLfloat) param);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) param);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) param);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ /* fall-through */
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteri(param=%d)\n",
+ param);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteri(param=%d)\n",
+ param);
+ break;
+ default:
+ ;
+ }
+}
+
+
+static void GLAPIENTRY
+_mesa_SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, (GLint) param);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, param);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ /* fall-through */
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterf(param=%f)\n",
+ param);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterf(param=%f)\n",
+ param);
+ break;
+ default:
+ ;
+ }
+}
+
+static void GLAPIENTRY
+_mesa_SamplerParameteriv(GLuint sampler, GLenum pname, const GLint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ {
+ GLfloat c[4];
+ c[0] = INT_TO_FLOAT(params[0]);
+ c[1] = INT_TO_FLOAT(params[1]);
+ c[2] = INT_TO_FLOAT(params[2]);
+ c[3] = INT_TO_FLOAT(params[3]);
+ res = set_sampler_border_colorf(ctx, sampObj, c);
+ }
+ break;
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameteriv(param=%d)\n",
+ params[0]);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameteriv(param=%d)\n",
+ params[0]);
+ break;
+ default:
+ ;
+ }
+}
+
+static void GLAPIENTRY
+_mesa_SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat *params)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, (GLint) params[0]);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ res = set_sampler_border_colorf(ctx, sampObj, params);
+ break;
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterfv(param=%f)\n",
+ params[0]);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterfv(param=%f)\n",
+ params[0]);
+ break;
+ default:
+ ;
+ }
+}
+
+static void GLAPIENTRY
+_mesa_SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ res = set_sampler_border_colori(ctx, sampObj, params);
+ break;
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIiv(param=%d)\n",
+ params[0]);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIiv(param=%d)\n",
+ params[0]);
+ break;
+ default:
+ ;
+ }
+}
+
+
+static void GLAPIENTRY
+_mesa_SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GLuint res;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ res = set_sampler_wrap_s(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ res = set_sampler_wrap_t(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ res = set_sampler_wrap_r(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ res = set_sampler_min_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ res = set_sampler_mag_filter(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ res = set_sampler_min_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ res = set_sampler_max_lod(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ res = set_sampler_lod_bias(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ res = set_sampler_compare_mode(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ res = set_sampler_compare_func(ctx, sampObj, params[0]);
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ res = set_sampler_max_anisotropy(ctx, sampObj, (GLfloat) params[0]);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ res = set_sampler_border_colorui(ctx, sampObj, params);
+ break;
+ default:
+ res = INVALID_PNAME;
+ }
+
+ switch (res) {
+ case GL_FALSE:
+ /* no change */
+ break;
+ case GL_TRUE:
+ /* state change - we do nothing special at this time */
+ break;
+ case INVALID_PNAME:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(pname=%s)\n",
+ _mesa_lookup_enum_by_nr(pname));
+ break;
+ case INVALID_PARAM:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSamplerParameterIuiv(param=%u)\n",
+ params[0]);
+ break;
+ case INVALID_VALUE:
+ _mesa_error(ctx, GL_INVALID_VALUE, "glSamplerParameterIuiv(param=%u)\n",
+ params[0]);
+ break;
+ default:
+ ;
+ }
+}
+
+
+static void GLAPIENTRY
+_mesa_GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameteriv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ *params = sampObj->WrapS;
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = sampObj->WrapT;
+ break;
+ case GL_TEXTURE_WRAP_R:
+ *params = sampObj->WrapR;
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = sampObj->MinFilter;
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ *params = sampObj->MagFilter;
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ *params = (GLint) sampObj->MinLod;
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ *params = (GLint) sampObj->MaxLod;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ *params = (GLint) sampObj->LodBias;
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareMode;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareFunc;
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = (GLint) sampObj->MaxAnisotropy;
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ params[0] = FLOAT_TO_INT(sampObj->BorderColor.f[0]);
+ params[1] = FLOAT_TO_INT(sampObj->BorderColor.f[1]);
+ params[2] = FLOAT_TO_INT(sampObj->BorderColor.f[2]);
+ params[3] = FLOAT_TO_INT(sampObj->BorderColor.f[3]);
+ break;
+ default:
+ goto invalid_pname;
+ }
+ return;
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameteriv(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+static void GLAPIENTRY
+_mesa_GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat *params)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetSamplerParameterfv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ *params = (GLfloat) sampObj->WrapS;
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = (GLfloat) sampObj->WrapT;
+ break;
+ case GL_TEXTURE_WRAP_R:
+ *params = (GLfloat) sampObj->WrapR;
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = (GLfloat) sampObj->MinFilter;
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ *params = (GLfloat) sampObj->MagFilter;
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ *params = sampObj->MinLod;
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ *params = sampObj->MaxLod;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ *params = sampObj->LodBias;
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLfloat) sampObj->CompareMode;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = (GLfloat) sampObj->CompareFunc;
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = sampObj->MaxAnisotropy;
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ params[0] = sampObj->BorderColor.f[0];
+ params[1] = sampObj->BorderColor.f[1];
+ params[2] = sampObj->BorderColor.f[2];
+ params[3] = sampObj->BorderColor.f[3];
+ break;
+ default:
+ goto invalid_pname;
+ }
+ return;
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterfv(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+static void GLAPIENTRY
+_mesa_GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetSamplerParameterIiv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ *params = sampObj->WrapS;
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = sampObj->WrapT;
+ break;
+ case GL_TEXTURE_WRAP_R:
+ *params = sampObj->WrapR;
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = sampObj->MinFilter;
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ *params = sampObj->MagFilter;
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ *params = (GLint) sampObj->MinLod;
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ *params = (GLint) sampObj->MaxLod;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ *params = (GLint) sampObj->LodBias;
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareMode;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareFunc;
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = (GLint) sampObj->MaxAnisotropy;
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ params[0] = sampObj->BorderColor.i[0];
+ params[1] = sampObj->BorderColor.i[1];
+ params[2] = sampObj->BorderColor.i[2];
+ params[3] = sampObj->BorderColor.i[3];
+ break;
+ default:
+ goto invalid_pname;
+ }
+ return;
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIiv(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+static void GLAPIENTRY
+_mesa_GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint *params)
+{
+ struct gl_sampler_object *sampObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ sampObj = _mesa_lookup_samplerobj(ctx, sampler);
+ if (!sampObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetSamplerParameterIuiv(sampler %u)",
+ sampler);
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_WRAP_S:
+ *params = sampObj->WrapS;
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = sampObj->WrapT;
+ break;
+ case GL_TEXTURE_WRAP_R:
+ *params = sampObj->WrapR;
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = sampObj->MinFilter;
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ *params = sampObj->MagFilter;
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ *params = (GLuint) sampObj->MinLod;
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ *params = (GLuint) sampObj->MaxLod;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ *params = (GLuint) sampObj->LodBias;
+ break;
+ case GL_TEXTURE_COMPARE_MODE:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareMode;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC:
+ if (!ctx->Extensions.ARB_shadow)
+ goto invalid_pname;
+ *params = sampObj->CompareFunc;
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ *params = (GLuint) sampObj->MaxAnisotropy;
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ params[0] = sampObj->BorderColor.ui[0];
+ params[1] = sampObj->BorderColor.ui[1];
+ params[2] = sampObj->BorderColor.ui[2];
+ params[3] = sampObj->BorderColor.ui[3];
+ break;
+ default:
+ goto invalid_pname;
+ }
+ return;
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetSamplerParameterIuiv(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+void
+_mesa_init_sampler_object_functions(struct dd_function_table *driver)
+{
+ driver->NewSamplerObject = _mesa_new_sampler_object;
+ driver->DeleteSamplerObject = _mesa_delete_sampler_object;
+}
+
+
+void
+_mesa_init_sampler_object_dispatch(struct _glapi_table *disp)
+{
+ SET_GenSamplers(disp, _mesa_GenSamplers);
+ SET_DeleteSamplers(disp, _mesa_DeleteSamplers);
+ SET_IsSampler(disp, _mesa_IsSampler);
+ SET_BindSampler(disp, _mesa_BindSampler);
+ SET_SamplerParameteri(disp, _mesa_SamplerParameteri);
+ SET_SamplerParameterf(disp, _mesa_SamplerParameterf);
+ SET_SamplerParameteriv(disp, _mesa_SamplerParameteriv);
+ SET_SamplerParameterfv(disp, _mesa_SamplerParameterfv);
+ SET_SamplerParameterIiv(disp, _mesa_SamplerParameterIiv);
+ SET_SamplerParameterIuiv(disp, _mesa_SamplerParameterIuiv);
+ SET_GetSamplerParameteriv(disp, _mesa_GetSamplerParameteriv);
+ SET_GetSamplerParameterfv(disp, _mesa_GetSamplerParameterfv);
+ SET_GetSamplerParameterIiv(disp, _mesa_GetSamplerParameterIiv);
+ SET_GetSamplerParameterIuiv(disp, _mesa_GetSamplerParameterIuiv);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 20:24:58 +0000