/*
* Mesa 3-D graphics library
- * Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
#include "buffers.h"
#include "bufferobj.h"
#include "clear.h"
-#include "colormac.h"
#include "context.h"
#include "depth.h"
#include "enable.h"
GLboolean PolygonSmooth;
GLboolean PolygonStipple;
GLboolean RescaleNormals;
- GLboolean Scissor;
+ GLbitfield Scissor;
GLboolean Stencil;
GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
GLboolean MultisampleEnabled; /* GL_ARB_multisample */
};
+/** An unused GL_*_BIT value */
+#define DUMMY_BIT 0x10000000
+
+
/**
* Allocate new attribute node of given type/kind. Attach payload data.
* Insert it into the linked list named by 'head'.
*/
-static void
+static bool
save_attrib_data(struct gl_attrib_node **head,
GLbitfield kind, void *payload)
{
}
else {
/* out of memory! */
+ return false;
+ }
+ return true;
+}
+
+
+/**
+ * Helper function for_mesa_PushAttrib for simple attributes.
+ * Allocates memory for attribute data and copies the given attribute data.
+ * \param head head of linked list to insert attribute data into
+ * \param attr_bit one of the GL_<attrib>_BIT flags
+ * \param attr_size number of bytes to allocate for attribute data
+ * \param attr_data the attribute data to copy
+ * \return true for success, false for out of memory
+ */
+static bool
+push_attrib(struct gl_context *ctx, struct gl_attrib_node **head,
+ GLbitfield attr_bit, GLuint attr_size, const void *attr_data)
+{
+ void *attribute;
+
+ attribute = malloc(attr_size);
+ if (attribute == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ return false;
+ }
+
+ if (save_attrib_data(head, attr_bit, attribute)) {
+ memcpy(attribute, attr_data, attr_size);
+ }
+ else {
+ free(attribute);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ return false;
}
+ return true;
}
/* groups specified by the mask. */
head = NULL;
+ if (mask == 0) {
+ /* if mask is zero we still need to push something so that we
+ * don't get a GL_STACK_UNDERFLOW error in glPopAttrib().
+ */
+ GLuint dummy = 0;
+ if (!push_attrib(ctx, &head, DUMMY_BIT, sizeof(dummy), &dummy))
+ goto end;
+ }
+
if (mask & GL_ACCUM_BUFFER_BIT) {
- struct gl_accum_attrib *attr;
- attr = MALLOC_STRUCT( gl_accum_attrib );
- memcpy( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
- save_attrib_data(&head, GL_ACCUM_BUFFER_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_ACCUM_BUFFER_BIT,
+ sizeof(struct gl_accum_attrib),
+ (void*)&ctx->Accum))
+ goto end;
}
if (mask & GL_COLOR_BUFFER_BIT) {
GLuint i;
struct gl_colorbuffer_attrib *attr;
attr = MALLOC_STRUCT( gl_colorbuffer_attrib );
- memcpy( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
- /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i ++)
- attr->DrawBuffer[i] = ctx->DrawBuffer->ColorDrawBuffer[i];
- save_attrib_data(&head, GL_COLOR_BUFFER_BIT, attr);
+ if (attr == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
+
+ if (save_attrib_data(&head, GL_COLOR_BUFFER_BIT, attr)) {
+ memcpy(attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib));
+ /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i ++)
+ attr->DrawBuffer[i] = ctx->DrawBuffer->ColorDrawBuffer[i];
+ }
+ else {
+ free(attr);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
}
if (mask & GL_CURRENT_BIT) {
- struct gl_current_attrib *attr;
- FLUSH_CURRENT( ctx, 0 );
- attr = MALLOC_STRUCT( gl_current_attrib );
- memcpy( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
- save_attrib_data(&head, GL_CURRENT_BIT, attr);
+ FLUSH_CURRENT(ctx, 0);
+ if (!push_attrib(ctx, &head, GL_CURRENT_BIT,
+ sizeof(struct gl_current_attrib),
+ (void*)&ctx->Current))
+ goto end;
}
if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_depthbuffer_attrib *attr;
- attr = MALLOC_STRUCT( gl_depthbuffer_attrib );
- memcpy( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
- save_attrib_data(&head, GL_DEPTH_BUFFER_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_DEPTH_BUFFER_BIT,
+ sizeof(struct gl_depthbuffer_attrib),
+ (void*)&ctx->Depth))
+ goto end;
}
if (mask & GL_ENABLE_BIT) {
struct gl_enable_attrib *attr;
GLuint i;
attr = MALLOC_STRUCT( gl_enable_attrib );
+ if (attr == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
+
/* Copy enable flags from all other attributes into the enable struct. */
attr->AlphaTest = ctx->Color.AlphaEnabled;
attr->AutoNormal = ctx->Eval.AutoNormal;
attr->PolygonSmooth = ctx->Polygon.SmoothFlag;
attr->PolygonStipple = ctx->Polygon.StippleFlag;
attr->RescaleNormals = ctx->Transform.RescaleNormals;
- attr->Scissor = ctx->Scissor.Enabled;
+ attr->Scissor = ctx->Scissor.EnableFlags;
attr->Stencil = ctx->Stencil.Enabled;
attr->StencilTwoSide = ctx->Stencil.TestTwoSide;
attr->MultisampleEnabled = ctx->Multisample.Enabled;
/* GL_ARB_fragment_program */
attr->FragmentProgram = ctx->FragmentProgram.Enabled;
- save_attrib_data(&head, GL_ENABLE_BIT, attr);
+ if (!save_attrib_data(&head, GL_ENABLE_BIT, attr)) {
+ free(attr);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
/* GL_ARB_framebuffer_sRGB / GL_EXT_framebuffer_sRGB */
attr->sRGBEnabled = ctx->Color.sRGBEnabled;
}
if (mask & GL_EVAL_BIT) {
- struct gl_eval_attrib *attr;
- attr = MALLOC_STRUCT( gl_eval_attrib );
- memcpy( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
- save_attrib_data(&head, GL_EVAL_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_EVAL_BIT,
+ sizeof(struct gl_eval_attrib),
+ (void*)&ctx->Eval))
+ goto end;
}
if (mask & GL_FOG_BIT) {
- struct gl_fog_attrib *attr;
- attr = MALLOC_STRUCT( gl_fog_attrib );
- memcpy( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
- save_attrib_data(&head, GL_FOG_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_FOG_BIT,
+ sizeof(struct gl_fog_attrib),
+ (void*)&ctx->Fog))
+ goto end;
}
if (mask & GL_HINT_BIT) {
- struct gl_hint_attrib *attr;
- attr = MALLOC_STRUCT( gl_hint_attrib );
- memcpy( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
- save_attrib_data(&head, GL_HINT_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_HINT_BIT,
+ sizeof(struct gl_hint_attrib),
+ (void*)&ctx->Hint))
+ goto end;
}
if (mask & GL_LIGHTING_BIT) {
- struct gl_light_attrib *attr;
- FLUSH_CURRENT(ctx, 0); /* flush material changes */
- attr = MALLOC_STRUCT( gl_light_attrib );
- memcpy( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
- save_attrib_data(&head, GL_LIGHTING_BIT, attr);
+ FLUSH_CURRENT(ctx, 0); /* flush material changes */
+ if (!push_attrib(ctx, &head, GL_LIGHTING_BIT,
+ sizeof(struct gl_light_attrib),
+ (void*)&ctx->Light))
+ goto end;
}
if (mask & GL_LINE_BIT) {
- struct gl_line_attrib *attr;
- attr = MALLOC_STRUCT( gl_line_attrib );
- memcpy( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
- save_attrib_data(&head, GL_LINE_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_LINE_BIT,
+ sizeof(struct gl_line_attrib),
+ (void*)&ctx->Line))
+ goto end;
}
if (mask & GL_LIST_BIT) {
- struct gl_list_attrib *attr;
- attr = MALLOC_STRUCT( gl_list_attrib );
- memcpy( attr, &ctx->List, sizeof(struct gl_list_attrib) );
- save_attrib_data(&head, GL_LIST_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_LIST_BIT,
+ sizeof(struct gl_list_attrib),
+ (void*)&ctx->List))
+ goto end;
}
if (mask & GL_PIXEL_MODE_BIT) {
struct gl_pixel_attrib *attr;
attr = MALLOC_STRUCT( gl_pixel_attrib );
- memcpy( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
- /* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
- attr->ReadBuffer = ctx->ReadBuffer->ColorReadBuffer;
- save_attrib_data(&head, GL_PIXEL_MODE_BIT, attr);
+ if (attr == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
+
+ if (save_attrib_data(&head, GL_PIXEL_MODE_BIT, attr)) {
+ memcpy(attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib));
+ /* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
+ attr->ReadBuffer = ctx->ReadBuffer->ColorReadBuffer;
+ }
+ else {
+ free(attr);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib");
+ goto end;
+ }
}
if (mask & GL_POINT_BIT) {
- struct gl_point_attrib *attr;
- attr = MALLOC_STRUCT( gl_point_attrib );
- memcpy( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
- save_attrib_data(&head, GL_POINT_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_POINT_BIT,
+ sizeof(struct gl_point_attrib),
+ (void*)&ctx->Point))
+ goto end;
}
if (mask & GL_POLYGON_BIT) {
- struct gl_polygon_attrib *attr;
- attr = MALLOC_STRUCT( gl_polygon_attrib );
- memcpy( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
- save_attrib_data(&head, GL_POLYGON_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_POLYGON_BIT,
+ sizeof(struct gl_polygon_attrib),
+ (void*)&ctx->Polygon))
+ goto end;
}
if (mask & GL_POLYGON_STIPPLE_BIT) {
- GLuint *stipple;
- stipple = malloc( 32*sizeof(GLuint) );
- memcpy( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
- save_attrib_data(&head, GL_POLYGON_STIPPLE_BIT, stipple);
+ if (!push_attrib(ctx, &head, GL_POLYGON_STIPPLE_BIT,
+ sizeof(ctx->PolygonStipple),
+ (void*)&ctx->PolygonStipple))
+ goto end;
}
if (mask & GL_SCISSOR_BIT) {
- struct gl_scissor_attrib *attr;
- attr = MALLOC_STRUCT( gl_scissor_attrib );
- memcpy( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
- save_attrib_data(&head, GL_SCISSOR_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_SCISSOR_BIT,
+ sizeof(struct gl_scissor_attrib),
+ (void*)&ctx->Scissor))
+ goto end;
}
if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_stencil_attrib *attr;
- attr = MALLOC_STRUCT( gl_stencil_attrib );
- memcpy( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
- save_attrib_data(&head, GL_STENCIL_BUFFER_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_STENCIL_BUFFER_BIT,
+ sizeof(struct gl_stencil_attrib),
+ (void*)&ctx->Stencil))
+ goto end;
}
if (mask & GL_TEXTURE_BIT) {
goto end;
}
+ if (!save_attrib_data(&head, GL_TEXTURE_BIT, texstate)) {
+ free(texstate);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_TEXTURE_BIT)");
+ goto end;
+ }
+
_mesa_lock_context_textures(ctx);
/* copy/save the bulk of texture state here */
_mesa_reference_shared_state(ctx, &texstate->SharedRef, ctx->Shared);
_mesa_unlock_context_textures(ctx);
-
- save_attrib_data(&head, GL_TEXTURE_BIT, texstate);
}
if (mask & GL_TRANSFORM_BIT) {
- struct gl_transform_attrib *attr;
- attr = MALLOC_STRUCT( gl_transform_attrib );
- memcpy( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
- save_attrib_data(&head, GL_TRANSFORM_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_TRANSFORM_BIT,
+ sizeof(struct gl_transform_attrib),
+ (void*)&ctx->Transform))
+ goto end;
}
if (mask & GL_VIEWPORT_BIT) {
- struct gl_viewport_attrib *attr;
- attr = MALLOC_STRUCT( gl_viewport_attrib );
- memcpy( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
- save_attrib_data(&head, GL_VIEWPORT_BIT, attr);
+ if (!push_attrib(ctx, &head, GL_VIEWPORT_BIT,
+ sizeof(struct gl_viewport_attrib)
+ * ctx->Const.MaxViewports,
+ (void*)&ctx->ViewportArray))
+ goto end;
}
/* GL_ARB_multisample */
if (mask & GL_MULTISAMPLE_BIT_ARB) {
- struct gl_multisample_attrib *attr;
- attr = MALLOC_STRUCT( gl_multisample_attrib );
- memcpy( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
- save_attrib_data(&head, GL_MULTISAMPLE_BIT_ARB, attr);
+ if (!push_attrib(ctx, &head, GL_MULTISAMPLE_BIT_ARB,
+ sizeof(struct gl_multisample_attrib),
+ (void*)&ctx->Multisample))
+ goto end;
}
end:
- ctx->AttribStack[ctx->AttribStackDepth] = head;
- ctx->AttribStackDepth++;
+ if (head != NULL) {
+ ctx->AttribStack[ctx->AttribStackDepth] = head;
+ ctx->AttribStackDepth++;
+ }
}
GL_POLYGON_SMOOTH);
TEST_AND_UPDATE(ctx->Polygon.StippleFlag, enable->PolygonStipple,
GL_POLYGON_STIPPLE);
- TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
+ if (ctx->Scissor.EnableFlags != enable->Scissor) {
+ unsigned i;
+
+ for (i = 0; i < ctx->Const.MaxViewports; i++) {
+ _mesa_set_enablei(ctx, GL_SCISSOR_TEST, i, (enable->Scissor >> i) & 1);
+ }
+ }
TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
if (ctx->Extensions.EXT_stencil_two_side) {
TEST_AND_UPDATE(ctx->Stencil.TestTwoSide, enable->StencilTwoSide, GL_STENCIL_TEST_TWO_SIDE_EXT);
_mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
!!(enabled & TEXTURE_CUBE_BIT));
}
- if (ctx->Extensions.MESA_texture_array) {
- _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
- !!(enabled & TEXTURE_1D_ARRAY_BIT));
- _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
- !!(enabled & TEXTURE_2D_ARRAY_BIT));
- }
}
if (ctx->Texture.Unit[i].TexGenEnabled != genEnabled) {
_mesa_set_enable(ctx, GL_TEXTURE_2D, !!(unit->Enabled & TEXTURE_2D_BIT));
_mesa_set_enable(ctx, GL_TEXTURE_3D, !!(unit->Enabled & TEXTURE_3D_BIT));
if (ctx->Extensions.ARB_texture_cube_map) {
- _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB,
+ _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
!!(unit->Enabled & TEXTURE_CUBE_BIT));
}
if (ctx->Extensions.NV_texture_rectangle) {
_mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV,
!!(unit->Enabled & TEXTURE_RECT_BIT));
}
- if (ctx->Extensions.MESA_texture_array) {
- _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
- !!(unit->Enabled & TEXTURE_1D_ARRAY_BIT));
- _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
- !!(unit->Enabled & TEXTURE_2D_ARRAY_BIT));
- }
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode);
_mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor);
_mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenS.Mode);
/* don't restore state for unsupported targets to prevent
* raising GL errors.
*/
- if (obj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
+ if (obj->Target == GL_TEXTURE_CUBE_MAP &&
!ctx->Extensions.ARB_texture_cube_map) {
continue;
}
}
else if ((obj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
obj->Target == GL_TEXTURE_2D_ARRAY_EXT) &&
- !ctx->Extensions.MESA_texture_array) {
+ !ctx->Extensions.EXT_texture_array) {
continue;
}
else if (obj->Target == GL_TEXTURE_CUBE_MAP_ARRAY &&
if (MESA_VERBOSE & VERBOSE_API) {
_mesa_debug(ctx, "glPopAttrib %s\n",
- _mesa_lookup_enum_by_nr(attr->kind));
+ _mesa_enum_to_string(attr->kind));
}
switch (attr->kind) {
+ case DUMMY_BIT:
+ /* do nothing */
+ break;
+
case GL_ACCUM_BUFFER_BIT:
{
const struct gl_accum_attrib *accum;
_mesa_ClearDepth(depth->Clear);
_mesa_set_enable(ctx, GL_DEPTH_TEST, depth->Test);
_mesa_DepthMask(depth->Mask);
+ if (ctx->Extensions.EXT_depth_bounds_test) {
+ _mesa_set_enable(ctx, GL_DEPTH_BOUNDS_TEST_EXT,
+ depth->BoundsTest);
+ _mesa_DepthBoundsEXT(depth->BoundsMin, depth->BoundsMax);
+ }
}
break;
case GL_ENABLE_BIT:
_mesa_Hint(GL_LINE_SMOOTH_HINT, hint->LineSmooth);
_mesa_Hint(GL_POLYGON_SMOOTH_HINT, hint->PolygonSmooth);
_mesa_Hint(GL_FOG_HINT, hint->Fog);
- _mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT,
- hint->ClipVolumeClipping);
_mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB,
hint->TextureCompression);
}
GLuint u;
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
_mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,
- (GLint) point->CoordReplace[u]);
+ !!(point->CoordReplace & (1u << u)));
}
_mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
if (ctx->Extensions.NV_point_sprite)
_mesa_FrontFace(polygon->FrontFace);
_mesa_PolygonMode(GL_FRONT, polygon->FrontMode);
_mesa_PolygonMode(GL_BACK, polygon->BackMode);
- _mesa_PolygonOffset(polygon->OffsetFactor,
- polygon->OffsetUnits);
+ _mesa_polygon_offset_clamp(ctx,
+ polygon->OffsetFactor,
+ polygon->OffsetUnits,
+ polygon->OffsetClamp);
_mesa_set_enable(ctx, GL_POLYGON_SMOOTH, polygon->SmoothFlag);
_mesa_set_enable(ctx, GL_POLYGON_STIPPLE, polygon->StippleFlag);
_mesa_set_enable(ctx, GL_CULL_FACE, polygon->CullFlag);
break;
case GL_SCISSOR_BIT:
{
+ unsigned i;
const struct gl_scissor_attrib *scissor;
scissor = (const struct gl_scissor_attrib *) attr->data;
- _mesa_Scissor(scissor->X, scissor->Y,
- scissor->Width, scissor->Height);
- _mesa_set_enable(ctx, GL_SCISSOR_TEST, scissor->Enabled);
+
+ for (i = 0; i < ctx->Const.MaxViewports; i++) {
+ _mesa_set_scissor(ctx, i,
+ scissor->ScissorArray[i].X,
+ scissor->ScissorArray[i].Y,
+ scissor->ScissorArray[i].Width,
+ scissor->ScissorArray[i].Height);
+ _mesa_set_enablei(ctx, GL_SCISSOR_TEST, i,
+ (scissor->EnableFlags >> i) & 1);
+ }
+ if (ctx->Extensions.EXT_window_rectangles) {
+ STATIC_ASSERT(sizeof(struct gl_scissor_rect) ==
+ 4 * sizeof(GLint));
+ _mesa_WindowRectanglesEXT(
+ scissor->WindowRectMode, scissor->NumWindowRects,
+ (const GLint *)scissor->WindowRects);
+ }
}
break;
case GL_STENCIL_BUFFER_BIT:
if (xform->DepthClamp != ctx->Transform.DepthClamp)
_mesa_set_enable(ctx, GL_DEPTH_CLAMP,
ctx->Transform.DepthClamp);
+ if (ctx->Extensions.ARB_clip_control)
+ _mesa_ClipControl(xform->ClipOrigin, xform->ClipDepthMode);
}
break;
case GL_TEXTURE_BIT:
break;
case GL_VIEWPORT_BIT:
{
+ unsigned i;
const struct gl_viewport_attrib *vp;
vp = (const struct gl_viewport_attrib *) attr->data;
- _mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height);
- _mesa_DepthRange(vp->Near, vp->Far);
+
+ for (i = 0; i < ctx->Const.MaxViewports; i++) {
+ _mesa_set_viewport(ctx, i, vp[i].X, vp[i].Y, vp[i].Width,
+ vp[i].Height);
+ _mesa_set_depth_range(ctx, i, vp[i].Near, vp[i].Far);
+ }
}
break;
case GL_MULTISAMPLE_BIT_ARB:
#define GL_CLIENT_UNPACK_BIT (1<<21)
/**
- * Copy gl_array_object from src to dest.
+ * Copy gl_vertex_array_object from src to dest.
* 'dest' must be in an initialized state.
*/
static void
copy_array_object(struct gl_context *ctx,
- struct gl_array_object *dest,
- struct gl_array_object *src)
+ struct gl_vertex_array_object *dest,
+ struct gl_vertex_array_object *src)
{
GLuint i;
/* In theory must be the same anyway, but on recreate make sure it matches */
dest->ARBsemantics = src->ARBsemantics;
- for (i = 0; i < Elements(src->VertexAttrib); i++)
- _mesa_copy_client_array(ctx, &dest->VertexAttrib[i], &src->VertexAttrib[i]);
+ for (i = 0; i < ARRAY_SIZE(src->VertexAttrib); i++) {
+ _mesa_copy_client_array(ctx, &dest->_VertexAttrib[i], &src->_VertexAttrib[i]);
+ _mesa_copy_vertex_attrib_array(ctx, &dest->VertexAttrib[i], &src->VertexAttrib[i]);
+ _mesa_copy_vertex_buffer_binding(ctx, &dest->VertexBinding[i], &src->VertexBinding[i]);
+ }
/* _Enabled must be the same than on push */
dest->_Enabled = src->_Enabled;
- dest->_MaxElement = src->_MaxElement;
+ /* The bitmask of bound VBOs needs to match the VertexBinding array */
+ dest->VertexAttribBufferMask = src->VertexAttribBufferMask;
+ dest->NewArrays = src->NewArrays;
}
/**
/* skip RebindArrays */
if (!vbo_deleted)
- copy_array_object(ctx, dest->ArrayObj, src->ArrayObj);
+ copy_array_object(ctx, dest->VAO, src->VAO);
/* skip ArrayBufferObj */
- /* skip ElementArrayBufferObj */
+ /* skip IndexBufferObj */
+
+ /* Invalidate draw state. It will be updated during the next draw. */
+ dest->DrawMethod = DRAW_NONE;
+ dest->_DrawArrays = NULL;
}
/**
{
/* Set the Name, needed for restore, but do never overwrite.
* Needs to match value in the object hash. */
- dest->ArrayObj->Name = src->ArrayObj->Name;
+ dest->VAO->Name = src->VAO->Name;
/* And copy all of the rest. */
copy_array_attrib(ctx, dest, src, false);
/* Just reference them here */
_mesa_reference_buffer_object(ctx, &dest->ArrayBufferObj,
src->ArrayBufferObj);
- _mesa_reference_buffer_object(ctx, &dest->ArrayObj->ElementArrayBufferObj,
- src->ArrayObj->ElementArrayBufferObj);
+ _mesa_reference_buffer_object(ctx, &dest->VAO->IndexBufferObj,
+ src->VAO->IndexBufferObj);
}
/**
* The semantics of objects created using APPLE_vertex_array_objects behave
* differently. These objects expect to be recreated by pop. Alas.
*/
- const bool arb_vao = (src->ArrayObj->Name != 0
- && src->ArrayObj->ARBsemantics);
+ const bool arb_vao = (src->VAO->Name != 0
+ && src->VAO->ARBsemantics);
- if (arb_vao && !_mesa_IsVertexArray(src->ArrayObj->Name))
+ if (arb_vao && !_mesa_IsVertexArray(src->VAO->Name))
return;
- _mesa_BindVertexArrayAPPLE(src->ArrayObj->Name);
+ _mesa_BindVertexArrayAPPLE(src->VAO->Name);
/* Restore or recreate the buffer objects by the names ... */
if (!arb_vao
}
if (!arb_vao
- || src->ArrayObj->ElementArrayBufferObj->Name == 0
- || _mesa_IsBuffer(src->ArrayObj->ElementArrayBufferObj->Name))
+ || src->VAO->IndexBufferObj->Name == 0
+ || _mesa_IsBuffer(src->VAO->IndexBufferObj->Name))
_mesa_BindBuffer(GL_ELEMENT_ARRAY_BUFFER_ARB,
- src->ArrayObj->ElementArrayBufferObj->Name);
+ src->VAO->IndexBufferObj->Name);
}
/**
* init/alloc the fields of 'attrib'.
* Needs to the init part matching free_array_attrib_data below.
*/
-static void
+static bool
init_array_attrib_data(struct gl_context *ctx,
struct gl_array_attrib *attrib)
{
- /* Get a non driver gl_array_object. */
- attrib->ArrayObj = CALLOC_STRUCT( gl_array_object );
- _mesa_initialize_array_object(ctx, attrib->ArrayObj, 0);
+ /* Get a non driver gl_vertex_array_object. */
+ attrib->VAO = CALLOC_STRUCT( gl_vertex_array_object );
+
+ if (attrib->VAO == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib");
+ return false;
+ }
+
+ _mesa_initialize_vao(ctx, attrib->VAO, 0);
+ return true;
}
/**
{
/* We use a non driver array object, so don't just unref since we would
* end up using the drivers DeleteArrayObject function for deletion. */
- _mesa_delete_array_object(ctx, attrib->ArrayObj);
- attrib->ArrayObj = 0;
+ _mesa_delete_vao(ctx, attrib->VAO);
+ attrib->VAO = 0;
_mesa_reference_buffer_object(ctx, &attrib->ArrayBufferObj, NULL);
}
struct gl_pixelstore_attrib *attr;
/* packing attribs */
attr = CALLOC_STRUCT( gl_pixelstore_attrib );
- copy_pixelstore(ctx, attr, &ctx->Pack);
- save_attrib_data(&head, GL_CLIENT_PACK_BIT, attr);
+ if (attr == NULL) {
+ _mesa_error( ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib" );
+ goto end;
+ }
+ if (save_attrib_data(&head, GL_CLIENT_PACK_BIT, attr)) {
+ copy_pixelstore(ctx, attr, &ctx->Pack);
+ }
+ else {
+ _mesa_error( ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib" );
+ free(attr);
+ goto end;
+ }
+
/* unpacking attribs */
attr = CALLOC_STRUCT( gl_pixelstore_attrib );
- copy_pixelstore(ctx, attr, &ctx->Unpack);
- save_attrib_data(&head, GL_CLIENT_UNPACK_BIT, attr);
+ if (attr == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib");
+ goto end;
+ }
+
+ if (save_attrib_data(&head, GL_CLIENT_UNPACK_BIT, attr)) {
+ copy_pixelstore(ctx, attr, &ctx->Unpack);
+ }
+ else {
+ _mesa_error( ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib" );
+ free(attr);
+ goto end;
+ }
}
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
struct gl_array_attrib *attr;
attr = CALLOC_STRUCT( gl_array_attrib );
- init_array_attrib_data(ctx, attr);
- save_array_attrib(ctx, attr, &ctx->Array);
- save_attrib_data(&head, GL_CLIENT_VERTEX_ARRAY_BIT, attr);
- }
+ if (attr == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib");
+ goto end;
+ }
- ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
- ctx->ClientAttribStackDepth++;
+ if (!init_array_attrib_data(ctx, attr)) {
+ free(attr);
+ goto end;
+ }
+
+ if (save_attrib_data(&head, GL_CLIENT_VERTEX_ARRAY_BIT, attr)) {
+ save_array_attrib(ctx, attr, &ctx->Array);
+ }
+ else {
+ free_array_attrib_data(ctx, attr);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushClientAttrib");
+ free(attr);
+ /* goto to keep safe from possible later changes */
+ goto end;
+ }
+ }
+end:
+ if (head != NULL) {
+ ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
+ ctx->ClientAttribStackDepth++;
+ }
}