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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/array_cache/ac_import.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/array_cache/ac_import.c902
1 files changed, 0 insertions, 902 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/array_cache/ac_import.c b/nx-X11/extras/Mesa/src/mesa/array_cache/ac_import.c
deleted file mode 100644
index 416b2e793..000000000
--- a/nx-X11/extras/Mesa/src/mesa/array_cache/ac_import.c
+++ /dev/null
@@ -1,902 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.1
- *
- * Copyright (C) 1999-2004 Brian Paul 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.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "glheader.h"
-#include "macros.h"
-#include "imports.h"
-#include "mtypes.h"
-
-#include "math/m_translate.h"
-#include "array_cache/ac_context.h"
-#include "math/m_translate.h"
-
-#define STRIDE_ARRAY( array, offset ) \
-do { \
- GLubyte *tmp = ADD_POINTERS( (array).BufferObj->Data, (array).Ptr ) \
- + (offset) * (array).StrideB; \
- (array).Ptr = tmp; \
-} while (0)
-
-
-/* Set the array pointer back to its source when the cached data is
- * invalidated:
- */
-static void
-reset_texcoord( GLcontext *ctx, GLuint unit )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.TexCoord[unit].Enabled) {
- ac->Raw.TexCoord[unit] = ctx->Array.TexCoord[unit];
- STRIDE_ARRAY(ac->Raw.TexCoord[unit], ac->start);
- }
- else {
- ac->Raw.TexCoord[unit] = ac->Fallback.TexCoord[unit];
-
- if (ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3] != 1.0)
- ac->Raw.TexCoord[unit].Size = 4;
- else if (ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2] != 0.0)
- ac->Raw.TexCoord[unit].Size = 3;
- else
- ac->Raw.TexCoord[unit].Size = 2;
- }
-
- ac->IsCached.TexCoord[unit] = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_TEXCOORD(unit);
-}
-
-static void
-reset_vertex( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- ASSERT(ctx->Array.Vertex.Enabled
- || (ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled));
- ac->Raw.Vertex = ctx->Array.Vertex;
- STRIDE_ARRAY(ac->Raw.Vertex, ac->start);
- ac->IsCached.Vertex = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_VERTEX;
-}
-
-
-static void
-reset_normal( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.Normal.Enabled) {
- ac->Raw.Normal = ctx->Array.Normal;
- STRIDE_ARRAY(ac->Raw.Normal, ac->start);
- }
- else {
- ac->Raw.Normal = ac->Fallback.Normal;
- }
-
- ac->IsCached.Normal = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_NORMAL;
-}
-
-
-static void
-reset_color( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.Color.Enabled) {
- ac->Raw.Color = ctx->Array.Color;
- STRIDE_ARRAY(ac->Raw.Color, ac->start);
- }
- else
- ac->Raw.Color = ac->Fallback.Color;
-
- ac->IsCached.Color = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_COLOR0;
-}
-
-
-static void
-reset_secondarycolor( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.SecondaryColor.Enabled) {
- ac->Raw.SecondaryColor = ctx->Array.SecondaryColor;
- STRIDE_ARRAY(ac->Raw.SecondaryColor, ac->start);
- }
- else
- ac->Raw.SecondaryColor = ac->Fallback.SecondaryColor;
-
- ac->IsCached.SecondaryColor = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_COLOR1;
-}
-
-
-static void
-reset_index( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.Index.Enabled) {
- ac->Raw.Index = ctx->Array.Index;
- STRIDE_ARRAY(ac->Raw.Index, ac->start);
- }
- else
- ac->Raw.Index = ac->Fallback.Index;
-
- ac->IsCached.Index = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_INDEX;
-}
-
-
-static void
-reset_fogcoord( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.FogCoord.Enabled) {
- ac->Raw.FogCoord = ctx->Array.FogCoord;
- STRIDE_ARRAY(ac->Raw.FogCoord, ac->start);
- }
- else
- ac->Raw.FogCoord = ac->Fallback.FogCoord;
-
- ac->IsCached.FogCoord = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_FOGCOORD;
-}
-
-
-static void
-reset_edgeflag( GLcontext *ctx )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.EdgeFlag.Enabled) {
- ac->Raw.EdgeFlag = ctx->Array.EdgeFlag;
- STRIDE_ARRAY(ac->Raw.EdgeFlag, ac->start);
- }
- else
- ac->Raw.EdgeFlag = ac->Fallback.EdgeFlag;
-
- ac->IsCached.EdgeFlag = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_EDGEFLAG;
-}
-
-
-static void
-reset_attrib( GLcontext *ctx, GLuint index )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (ctx->Array.VertexAttrib[index].Enabled) {
- ac->Raw.Attrib[index] = ctx->Array.VertexAttrib[index];
- STRIDE_ARRAY(ac->Raw.Attrib[index], ac->start);
- }
- else
- ac->Raw.Attrib[index] = ac->Fallback.Attrib[index];
-
- ac->IsCached.Attrib[index] = GL_FALSE;
- ac->NewArrayState &= ~_NEW_ARRAY_ATTRIB(index);
-}
-
-
-/**
- * Generic import function for color data
- */
-static void
-import( const GLcontext *ctx,
- GLenum destType,
- struct gl_client_array *to,
- const struct gl_client_array *from )
-{
- const ACcontext *ac = AC_CONTEXT(ctx);
-
- if (destType == 0)
- destType = from->Type;
-
- switch (destType) {
- case GL_FLOAT:
- _math_trans_4fc( (GLfloat (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->StrideB = 4 * sizeof(GLfloat);
- to->Type = GL_FLOAT;
- break;
-
- case GL_UNSIGNED_BYTE:
- _math_trans_4ub( (GLubyte (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->StrideB = 4 * sizeof(GLubyte);
- to->Type = GL_UNSIGNED_BYTE;
- break;
-
- case GL_UNSIGNED_SHORT:
- _math_trans_4us( (GLushort (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->StrideB = 4 * sizeof(GLushort);
- to->Type = GL_UNSIGNED_SHORT;
- break;
-
- default:
- _mesa_problem(ctx, "Unexpected dest format in import()");
- break;
- }
-}
-
-
-
-/*
- * Functions to import array ranges with specified types and strides.
- * For example, if the vertex data is GLshort[2] and we want GLfloat[3]
- * we'll use an import function to do the data conversion.
- */
-
-static void
-import_texcoord( GLcontext *ctx, GLuint unit, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.TexCoord[unit];
- struct gl_client_array *to = &ac->Cache.TexCoord[unit];
- (void) type; (void) stride;
-
- ASSERT(unit < ctx->Const.MaxTextureCoordUnits);
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_FLOAT);
- ASSERT(stride == 4*sizeof(GLfloat) || stride == 0);
- ASSERT(ac->count - ac->start < ctx->Const.MaxArrayLockSize);
-
- _math_trans_4f( (GLfloat (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->Size = from->Size;
- to->StrideB = 4 * sizeof(GLfloat);
- to->Type = GL_FLOAT;
- ac->IsCached.TexCoord[unit] = GL_TRUE;
-}
-
-static void
-import_vertex( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.Vertex;
- struct gl_client_array *to = &ac->Cache.Vertex;
- (void) type; (void) stride;
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_FLOAT);
- ASSERT(stride == 4*sizeof(GLfloat) || stride == 0);
-
- _math_trans_4f( (GLfloat (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->Size = from->Size;
- to->StrideB = 4 * sizeof(GLfloat);
- to->Type = GL_FLOAT;
- ac->IsCached.Vertex = GL_TRUE;
-}
-
-static void
-import_normal( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.Normal;
- struct gl_client_array *to = &ac->Cache.Normal;
- (void) type; (void) stride;
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_FLOAT);
- ASSERT(stride == 3*sizeof(GLfloat) || stride == 0);
-
- _math_trans_3f( (GLfloat (*)[3]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- 0,
- ac->count - ac->start);
-
- to->StrideB = 3 * sizeof(GLfloat);
- to->Type = GL_FLOAT;
- ac->IsCached.Normal = GL_TRUE;
-}
-
-static void
-import_color( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.Color;
- struct gl_client_array *to = &ac->Cache.Color;
- (void) stride;
-
- import( ctx, type, to, from );
-
- ac->IsCached.Color = GL_TRUE;
-}
-
-static void
-import_index( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.Index;
- struct gl_client_array *to = &ac->Cache.Index;
- (void) type; (void) stride;
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_UNSIGNED_INT);
- ASSERT(stride == sizeof(GLuint) || stride == 0);
-
- _math_trans_1ui( (GLuint *) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- 0,
- ac->count - ac->start);
-
- to->StrideB = sizeof(GLuint);
- to->Type = GL_UNSIGNED_INT;
- ac->IsCached.Index = GL_TRUE;
-}
-
-static void
-import_secondarycolor( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.SecondaryColor;
- struct gl_client_array *to = &ac->Cache.SecondaryColor;
- (void) stride;
-
- import( ctx, type, to, from );
-
- ac->IsCached.SecondaryColor = GL_TRUE;
-}
-
-static void
-import_fogcoord( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.FogCoord;
- struct gl_client_array *to = &ac->Cache.FogCoord;
- (void) type; (void) stride;
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_FLOAT);
- ASSERT(stride == sizeof(GLfloat) || stride == 0);
-
- _math_trans_1f( (GLfloat *) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- 0,
- ac->count - ac->start);
-
- to->StrideB = sizeof(GLfloat);
- to->Type = GL_FLOAT;
- ac->IsCached.FogCoord = GL_TRUE;
-}
-
-static void
-import_edgeflag( GLcontext *ctx, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.EdgeFlag;
- struct gl_client_array *to = &ac->Cache.EdgeFlag;
- (void) type; (void) stride;
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_UNSIGNED_BYTE);
- ASSERT(stride == sizeof(GLubyte) || stride == 0);
-
- _math_trans_1ub( (GLubyte *) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- 0,
- ac->count - ac->start);
-
- to->StrideB = sizeof(GLubyte);
- to->Type = GL_UNSIGNED_BYTE;
- ac->IsCached.EdgeFlag = GL_TRUE;
-}
-
-static void
-import_attrib( GLcontext *ctx, GLuint index, GLenum type, GLuint stride )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
- const struct gl_client_array *from = &ac->Raw.Attrib[index];
- struct gl_client_array *to = &ac->Cache.Attrib[index];
- (void) type; (void) stride;
-
- ASSERT(index < MAX_VERTEX_PROGRAM_ATTRIBS);
-
- /* Limited choices at this stage:
- */
- ASSERT(type == GL_FLOAT);
- ASSERT(stride == 4*sizeof(GLfloat) || stride == 0);
- ASSERT(ac->count - ac->start < ctx->Const.MaxArrayLockSize);
-
- _math_trans_4f( (GLfloat (*)[4]) to->Ptr,
- from->Ptr,
- from->StrideB,
- from->Type,
- from->Size,
- 0,
- ac->count - ac->start);
-
- to->Size = from->Size;
- to->StrideB = 4 * sizeof(GLfloat);
- to->Type = GL_FLOAT;
- ac->IsCached.Attrib[index] = GL_TRUE;
-}
-
-
-
-/*
- * Externals to request arrays with specific properties:
- */
-
-
-struct gl_client_array *
-_ac_import_texcoord( GLcontext *ctx,
- GLuint unit,
- GLenum type,
- GLuint reqstride,
- GLuint reqsize,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- ASSERT(unit < ctx->Const.MaxTextureCoordUnits);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_TEXCOORD(unit))
- reset_texcoord( ctx, unit );
-
- /* Is the request impossible?
- */
- if (reqsize != 0 && ac->Raw.TexCoord[unit].Size > (GLint) reqsize)
- return NULL;
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.TexCoord[unit].Type != type ||
- (reqstride != 0 && ac->Raw.TexCoord[unit].StrideB != (GLint)reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.TexCoord[unit])
- import_texcoord(ctx, unit, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.TexCoord[unit];
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.TexCoord[unit];
- }
-}
-
-struct gl_client_array *
-_ac_import_vertex( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLuint reqsize,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_VERTEX)
- reset_vertex( ctx );
-
- /* Is the request impossible?
- */
- if (reqsize != 0 && ac->Raw.Vertex.Size > (GLint) reqsize)
- return NULL;
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.Vertex.Type != type ||
- (reqstride != 0 && ac->Raw.Vertex.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.Vertex)
- import_vertex(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.Vertex;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.Vertex;
- }
-}
-
-struct gl_client_array *
-_ac_import_normal( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_NORMAL)
- reset_normal( ctx );
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.Normal.Type != type ||
- (reqstride != 0 && ac->Raw.Normal.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.Normal)
- import_normal(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.Normal;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.Normal;
- }
-}
-
-struct gl_client_array *
-_ac_import_color( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLuint reqsize,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_COLOR0)
- reset_color( ctx );
-
- /* Is the request impossible?
- */
- if (reqsize != 0 && ac->Raw.Color.Size > (GLint) reqsize) {
- return NULL;
- }
-
- /* Do we need to pull in a copy of the client data:
- */
- if ((type != 0 && ac->Raw.Color.Type != type) ||
- (reqstride != 0 && ac->Raw.Color.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.Color) {
- import_color(ctx, type, reqstride );
- }
- *writeable = GL_TRUE;
- return &ac->Cache.Color;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.Color;
- }
-}
-
-struct gl_client_array *
-_ac_import_index( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_INDEX)
- reset_index( ctx );
-
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.Index.Type != type ||
- (reqstride != 0 && ac->Raw.Index.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.Index)
- import_index(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.Index;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.Index;
- }
-}
-
-struct gl_client_array *
-_ac_import_secondarycolor( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLuint reqsize,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_COLOR1)
- reset_secondarycolor( ctx );
-
- /* Is the request impossible?
- */
- if (reqsize != 0 && ac->Raw.SecondaryColor.Size > (GLint) reqsize)
- return NULL;
-
- /* Do we need to pull in a copy of the client data:
- */
- if ((type != 0 && ac->Raw.SecondaryColor.Type != type) ||
- (reqstride != 0 && ac->Raw.SecondaryColor.StrideB != (GLint)reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.SecondaryColor)
- import_secondarycolor(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.SecondaryColor;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.SecondaryColor;
- }
-}
-
-struct gl_client_array *
-_ac_import_fogcoord( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_FOGCOORD)
- reset_fogcoord( ctx );
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.FogCoord.Type != type ||
- (reqstride != 0 && ac->Raw.FogCoord.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.FogCoord)
- import_fogcoord(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.FogCoord;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.FogCoord;
- }
-}
-
-struct gl_client_array *
-_ac_import_edgeflag( GLcontext *ctx,
- GLenum type,
- GLuint reqstride,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_EDGEFLAG)
- reset_edgeflag( ctx );
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.EdgeFlag.Type != type ||
- (reqstride != 0 && ac->Raw.EdgeFlag.StrideB != (GLint) reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.EdgeFlag)
- import_edgeflag(ctx, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.EdgeFlag;
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.EdgeFlag;
- }
-}
-
-/* GL_NV_vertex_program */
-struct gl_client_array *
-_ac_import_attrib( GLcontext *ctx,
- GLuint index,
- GLenum type,
- GLuint reqstride,
- GLuint reqsize,
- GLboolean reqwriteable,
- GLboolean *writeable )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- ASSERT(index < VERT_ATTRIB_MAX);
-
- /* Can we keep the existing version?
- */
- if (ac->NewArrayState & _NEW_ARRAY_ATTRIB(index))
- reset_attrib( ctx, index );
-
- /* Is the request impossible?
- */
- if (reqsize != 0 && ac->Raw.Attrib[index].Size > (GLint) reqsize)
- return NULL;
-
- /* Do we need to pull in a copy of the client data:
- */
- if (ac->Raw.Attrib[index].Type != type ||
- (reqstride != 0 && ac->Raw.Attrib[index].StrideB != (GLint)reqstride) ||
- reqwriteable)
- {
- if (!ac->IsCached.Attrib[index])
- import_attrib(ctx, index, type, reqstride );
- *writeable = GL_TRUE;
- return &ac->Cache.Attrib[index];
- }
- else {
- *writeable = GL_FALSE;
- return &ac->Raw.Attrib[index];
- }
-}
-
-
-/* Clients must call this function to validate state and set bounds
- * before importing any data:
- */
-void
-_ac_import_range( GLcontext *ctx, GLuint start, GLuint count )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (!ctx->Array.LockCount) {
- /* Not locked, discard cached data. Changes to lock
- * status are caught via. _ac_invalidate_state().
- */
- ac->NewArrayState = _NEW_ARRAY_ALL;
- ac->start = start;
- ac->count = count;
- }
- else {
- /* Locked, discard data for any disabled arrays. Require that
- * the whole locked range always be dealt with, otherwise hard to
- * maintain cached data in the face of clipping.
- */
- ac->NewArrayState |= ~ctx->Array._Enabled;
- ac->start = ctx->Array.LockFirst;
- ac->count = ctx->Array.LockCount;
- ASSERT(ac->start == start); /* hmm? */
- ASSERT(ac->count == count);
- }
-}
-
-
-
-/* Additional convienence function for importing the element list
- * for glDrawElements() and glDrawRangeElements().
- */
-CONST void *
-_ac_import_elements( GLcontext *ctx,
- GLenum new_type,
- GLuint count,
- GLenum old_type,
- CONST void *indices )
-{
- ACcontext *ac = AC_CONTEXT(ctx);
-
- if (old_type == new_type)
- return indices;
-
- if (ac->elt_size < count * sizeof(GLuint)) {
- if (ac->Elts) FREE(ac->Elts);
- while (ac->elt_size < count * sizeof(GLuint))
- ac->elt_size *= 2;
- ac->Elts = (GLuint *) MALLOC(ac->elt_size);
- }
-
- switch (new_type) {
- case GL_UNSIGNED_BYTE:
- ASSERT(0);
- return NULL;
- case GL_UNSIGNED_SHORT:
- ASSERT(0);
- return NULL;
- case GL_UNSIGNED_INT: {
- GLuint *out = (GLuint *)ac->Elts;
- GLuint i;
-
- switch (old_type) {
- case GL_UNSIGNED_BYTE: {
- CONST GLubyte *in = (CONST GLubyte *)indices;
- for (i = 0 ; i < count ; i++)
- out[i] = in[i];
- break;
- }
- case GL_UNSIGNED_SHORT: {
- CONST GLushort *in = (CONST GLushort *)indices;
- for (i = 0 ; i < count ; i++)
- out[i] = in[i];
- break;
- }
- default:
- ASSERT(0);
- }
-
- return (CONST void *)out;
- }
- default:
- ASSERT(0);
- break;
- }
-
- return NULL;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 01:43:53 +0000