diff options
Diffstat (limited to 'mesalib/src/mesa/main/samplerobj.c')
| -rw-r--r-- | mesalib/src/mesa/main/samplerobj.c | 1355 |
1 files changed, 1355 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/samplerobj.c b/mesalib/src/mesa/main/samplerobj.c new file mode 100644 index 000000000..55acb6d1f --- /dev/null +++ b/mesalib/src/mesa/main/samplerobj.c @@ -0,0 +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); +} |