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authormarha <marha@users.sourceforge.net>2013-01-28 07:55:57 +0100
committermarha <marha@users.sourceforge.net>2013-01-28 07:55:57 +0100
commit69c8cec54b01ed522bf10baf20da70304bac701a (patch)
treef37ea158a90ecb99d0780dfdaca14d05394fed3f /mesalib/src/mesa
parent06872e284da1c00ce03b234ca24aefeac64990d2 (diff)
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mesa mkfontscale pixman git update 28 jan 2013
mesa: 87592cff57feef29565150b9203e220b50623f30 mkfontscale: b3af8de8d25128f565c2ed2f7c63b6e4099eb84e pixman: 65fc1adb6545737058e938105ae948a3607c277c
Diffstat (limited to 'mesalib/src/mesa')
-rw-r--r--mesalib/src/mesa/Android.libmesa_glsl_utils.mk10
-rw-r--r--mesalib/src/mesa/main/extensions.c1
-rw-r--r--mesalib/src/mesa/main/getstring.c4
-rw-r--r--mesalib/src/mesa/main/imports.c86
-rw-r--r--mesalib/src/mesa/main/imports.h3
-rw-r--r--mesalib/src/mesa/main/mtypes.h28
-rw-r--r--mesalib/src/mesa/main/remap.c6
-rw-r--r--mesalib/src/mesa/main/shader_query.cpp12
-rw-r--r--mesalib/src/mesa/main/texparam.c8
-rw-r--r--mesalib/src/mesa/main/uniforms.c2
-rw-r--r--mesalib/src/mesa/main/version.c25
-rw-r--r--mesalib/src/mesa/program/ir_to_mesa.cpp49
-rw-r--r--mesalib/src/mesa/program/program.c32
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_bitmap.c5
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_clear.c5
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawpixels.c9
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawtex.c7
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c1
-rw-r--r--mesalib/src/mesa/state_tracker/st_draw.c21
-rw-r--r--mesalib/src/mesa/state_tracker/st_extensions.c4
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.c34
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.h3
-rw-r--r--mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp43
-rw-r--r--mesalib/src/mesa/swrast/s_texfilter.c38
-rw-r--r--mesalib/src/mesa/vbo/vbo_exec_api.c5
25 files changed, 312 insertions, 129 deletions
diff --git a/mesalib/src/mesa/Android.libmesa_glsl_utils.mk b/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
index 9c5f3493c..47f2e151b 100644
--- a/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
+++ b/mesalib/src/mesa/Android.libmesa_glsl_utils.mk
@@ -35,10 +35,13 @@ include $(CLEAR_VARS)
LOCAL_MODULE := libmesa_glsl_utils
-LOCAL_C_INCLUDES := $(MESA_TOP)/src/glsl
+LOCAL_C_INCLUDES := \
+ $(MESA_TOP)/src/glsl \
+ $(MESA_TOP)/src/mapi
LOCAL_SRC_FILES := \
main/hash_table.c \
+ main/imports.c \
program/prog_hash_table.c \
program/symbol_table.c
@@ -54,10 +57,13 @@ include $(CLEAR_VARS)
LOCAL_MODULE := libmesa_glsl_utils
LOCAL_IS_HOST_MODULE := true
-LOCAL_C_INCLUDES := $(MESA_TOP)/src/glsl
+LOCAL_C_INCLUDES := \
+ $(MESA_TOP)/src/glsl \
+ $(MESA_TOP)/src/mapi
LOCAL_SRC_FILES := \
main/hash_table.c \
+ main/imports.c \
program/prog_hash_table.c \
program/symbol_table.c
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 5d01ac8ea..7ae07fb5a 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -125,6 +125,7 @@ static const struct extension extension_table[] = {
{ "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 },
{ "GL_ARB_shader_texture_lod", o(ARB_shader_texture_lod), GL, 2009 },
{ "GL_ARB_shading_language_100", o(ARB_shading_language_100), GLL, 2003 },
+ { "GL_ARB_shading_language_packing", o(ARB_shading_language_packing), GL, 2011 },
{ "GL_ARB_shadow", o(ARB_shadow), GLL, 2001 },
{ "GL_ARB_sync", o(ARB_sync), GL, 2003 },
{ "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GLL, 2000 },
diff --git a/mesalib/src/mesa/main/getstring.c b/mesalib/src/mesa/main/getstring.c
index 1f23cc0a4..aa3a528fd 100644
--- a/mesalib/src/mesa/main/getstring.c
+++ b/mesalib/src/mesa/main/getstring.c
@@ -74,7 +74,9 @@ shading_language_version(struct gl_context *ctx)
break;
case API_OPENGLES2:
- return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16";
+ return (ctx->Version < 30)
+ ? (const GLubyte *) "OpenGL ES GLSL ES 1.0.16"
+ : (const GLubyte *) "OpenGL ES GLSL ES 3.0";
case API_OPENGLES:
/* fall-through */
diff --git a/mesalib/src/mesa/main/imports.c b/mesalib/src/mesa/main/imports.c
index 76f835e0e..e6f754254 100644
--- a/mesalib/src/mesa/main/imports.c
+++ b/mesalib/src/mesa/main/imports.c
@@ -314,10 +314,43 @@ _mesa_bitcount_64(uint64_t n)
#endif
+/* Using C99 rounding functions for roundToEven() implementation is
+ * difficult, because round(), rint, and nearbyint() are affected by
+ * fesetenv(), which the application may have done for its own
+ * purposes. Mesa's IROUND macro is close to what we want, but it
+ * rounds away from 0 on n + 0.5.
+ */
+int
+_mesa_round_to_even(float val)
+{
+ int rounded = IROUND(val);
+
+ if (val - floor(val) == 0.5) {
+ if (rounded % 2 != 0)
+ rounded += val > 0 ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+
/**
* Convert a 4-byte float to a 2-byte half float.
- * Based on code from:
- * http://www.opengl.org/discussion_boards/ubb/Forum3/HTML/008786.html
+ *
+ * Not all float32 values can be represented exactly as a float16 value. We
+ * round such intermediate float32 values to the nearest float16. When the
+ * float32 lies exactly between to float16 values, we round to the one with
+ * an even mantissa.
+ *
+ * This rounding behavior has several benefits:
+ * - It has no sign bias.
+ *
+ * - It reproduces the behavior of real hardware: opcode F32TO16 in Intel's
+ * GPU ISA.
+ *
+ * - By reproducing the behavior of the GPU (at least on Intel hardware),
+ * compile-time evaluation of constant packHalf2x16 GLSL expressions will
+ * result in the same value as if the expression were executed on the GPU.
*/
GLhalfARB
_mesa_float_to_half(float val)
@@ -356,32 +389,13 @@ _mesa_float_to_half(float val)
else {
/* regular number */
const int new_exp = flt_e - 127;
- if (new_exp < -24) {
- /* this maps to 0 */
- /* m = 0; - already set */
- e = 0;
- }
- else if (new_exp < -14) {
- /* this maps to a denorm */
- unsigned int exp_val = (unsigned int) (-14 - new_exp); /* 2^-exp_val*/
+ if (new_exp < -14) {
+ /* The float32 lies in the range (0.0, min_normal16) and is rounded
+ * to a nearby float16 value. The result will be either zero, subnormal,
+ * or normal.
+ */
e = 0;
- switch (exp_val) {
- case 0:
- _mesa_warning(NULL,
- "float_to_half: logical error in denorm creation!\n");
- /* m = 0; - already set */
- break;
- case 1: m = 512 + (flt_m >> 14); break;
- case 2: m = 256 + (flt_m >> 15); break;
- case 3: m = 128 + (flt_m >> 16); break;
- case 4: m = 64 + (flt_m >> 17); break;
- case 5: m = 32 + (flt_m >> 18); break;
- case 6: m = 16 + (flt_m >> 19); break;
- case 7: m = 8 + (flt_m >> 20); break;
- case 8: m = 4 + (flt_m >> 21); break;
- case 9: m = 2 + (flt_m >> 22); break;
- case 10: m = 1; break;
- }
+ m = _mesa_round_to_even((1 << 24) * fabsf(fi.f));
}
else if (new_exp > 15) {
/* map this value to infinity */
@@ -389,12 +403,26 @@ _mesa_float_to_half(float val)
e = 31;
}
else {
- /* regular */
+ /* The float32 lies in the range
+ * [min_normal16, max_normal16 + max_step16)
+ * and is rounded to a nearby float16 value. The result will be
+ * either normal or infinite.
+ */
e = new_exp + 15;
- m = flt_m >> 13;
+ m = _mesa_round_to_even(flt_m / (float) (1 << 13));
}
}
+ assert(0 <= m && m <= 1024);
+ if (m == 1024) {
+ /* The float32 was rounded upwards into the range of the next exponent,
+ * so bump the exponent. This correctly handles the case where f32
+ * should be rounded up to float16 infinity.
+ */
+ ++e;
+ m = 0;
+ }
+
result = (s << 15) | (e << 10) | m;
return result;
}
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index 8446ea2a3..4b783818b 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -548,6 +548,9 @@ _mesa_fls(unsigned int n)
#endif
}
+extern int
+_mesa_round_to_even(float val);
+
extern GLhalfARB
_mesa_float_to_half(float f);
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index d37e6c4c0..3369623f7 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2273,11 +2273,30 @@ typedef enum
struct gl_uniform_buffer_variable
{
char *Name;
+
+ /**
+ * Name of the uniform as seen by glGetUniformIndices.
+ *
+ * glGetUniformIndices requires that the block instance index \b not be
+ * present in the name of queried uniforms.
+ *
+ * \note
+ * \c gl_uniform_buffer_variable::IndexName and
+ * \c gl_uniform_buffer_variable::Name may point to identical storage.
+ */
+ char *IndexName;
+
const struct glsl_type *Type;
unsigned int Offset;
GLboolean RowMajor;
};
+enum gl_uniform_block_packing {
+ ubo_packing_std140,
+ ubo_packing_shared,
+ ubo_packing_packed
+};
+
struct gl_uniform_block
{
/** Declared name of the uniform block */
@@ -2299,6 +2318,14 @@ struct gl_uniform_block
* (GL_UNIFORM_BLOCK_DATA_SIZE).
*/
GLuint UniformBufferSize;
+
+ /**
+ * Layout specified in the shader
+ *
+ * This isn't accessible through the API, but it is used while
+ * cross-validating uniform blocks.
+ */
+ enum gl_uniform_block_packing _Packing;
};
/**
@@ -3042,6 +3069,7 @@ struct gl_extensions
GLboolean ARB_shader_stencil_export;
GLboolean ARB_shader_texture_lod;
GLboolean ARB_shading_language_100;
+ GLboolean ARB_shading_language_packing;
GLboolean ARB_shadow;
GLboolean ARB_sync;
GLboolean ARB_texture_border_clamp;
diff --git a/mesalib/src/mesa/main/remap.c b/mesalib/src/mesa/main/remap.c
index c89fba453..a09870561 100644
--- a/mesalib/src/mesa/main/remap.c
+++ b/mesalib/src/mesa/main/remap.c
@@ -208,8 +208,10 @@ _mesa_do_init_remap_table(const char *pool,
offset = _mesa_map_function_spec(spec);
/* store the dispatch offset in the remap table */
driDispatchRemapTable[i] = offset;
- if (offset < 0)
- _mesa_warning(NULL, "failed to remap index %d", i);
+ if (offset < 0) {
+ const char *name = spec + strlen(spec) + 1;
+ _mesa_warning(NULL, "failed to remap %s", name);
+ }
}
}
diff --git a/mesalib/src/mesa/main/shader_query.cpp b/mesalib/src/mesa/main/shader_query.cpp
index 27b1b8f56..3014a9778 100644
--- a/mesalib/src/mesa/main/shader_query.cpp
+++ b/mesalib/src/mesa/main/shader_query.cpp
@@ -106,7 +106,7 @@ _mesa_GetActiveAttrib(GLhandleARB program, GLuint desired_index,
const ir_variable *const var = ((ir_instruction *) node)->as_variable();
if (var == NULL
- || var->mode != ir_var_in
+ || var->mode != ir_var_shader_in
|| var->location == -1)
continue;
@@ -169,7 +169,7 @@ _mesa_GetAttribLocation(GLhandleARB program, const GLcharARB * name)
* attribute, or if an error occurs, -1 will be returned."
*/
if (var == NULL
- || var->mode != ir_var_in
+ || var->mode != ir_var_shader_in
|| var->location == -1
|| var->location < VERT_ATTRIB_GENERIC0)
continue;
@@ -197,7 +197,7 @@ _mesa_count_active_attribs(struct gl_shader_program *shProg)
const ir_variable *const var = ((ir_instruction *) node)->as_variable();
if (var == NULL
- || var->mode != ir_var_in
+ || var->mode != ir_var_shader_in
|| var->location == -1)
continue;
@@ -223,7 +223,7 @@ _mesa_longest_attribute_name_length(struct gl_shader_program *shProg)
const ir_variable *const var = ((ir_instruction *) node)->as_variable();
if (var == NULL
- || var->mode != ir_var_in
+ || var->mode != ir_var_shader_in
|| var->location == -1)
continue;
@@ -333,7 +333,7 @@ _mesa_GetFragDataIndex(GLuint program, const GLchar *name)
* attribute, or if an error occurs, -1 will be returned."
*/
if (var == NULL
- || var->mode != ir_var_out
+ || var->mode != ir_var_shader_out
|| var->location == -1
|| var->location < FRAG_RESULT_DATA0)
continue;
@@ -389,7 +389,7 @@ _mesa_GetFragDataLocation(GLuint program, const GLchar *name)
* attribute, or if an error occurs, -1 will be returned."
*/
if (var == NULL
- || var->mode != ir_var_out
+ || var->mode != ir_var_shader_out
|| var->location == -1
|| var->location < FRAG_RESULT_DATA0)
continue;
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 8d0ae16fb..52ede13c0 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -1388,10 +1388,10 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
goto invalid_pname;
- params[0] = obj->CropRect[0];
- params[1] = obj->CropRect[1];
- params[2] = obj->CropRect[2];
- params[3] = obj->CropRect[3];
+ params[0] = (GLfloat) obj->CropRect[0];
+ params[1] = (GLfloat) obj->CropRect[1];
+ params[2] = (GLfloat) obj->CropRect[2];
+ params[3] = (GLfloat) obj->CropRect[3];
break;
case GL_TEXTURE_SWIZZLE_R_EXT:
diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c
index 62c85b3c0..d902407a0 100644
--- a/mesalib/src/mesa/main/uniforms.c
+++ b/mesalib/src/mesa/main/uniforms.c
@@ -695,7 +695,7 @@ _mesa_GetActiveUniformBlockiv(GLuint program,
for (i = 0; i < block->NumUniforms; i++) {
unsigned offset;
params[i] = _mesa_get_uniform_location(ctx, shProg,
- block->Uniforms[i].Name,
+ block->Uniforms[i].IndexName,
&offset);
}
return;
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index 4373d7b91..e944a5518 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -323,7 +323,30 @@ compute_version_es2(struct gl_context *ctx)
ctx->Extensions.ARB_fragment_shader &&
ctx->Extensions.ARB_texture_non_power_of_two &&
ctx->Extensions.EXT_blend_equation_separate);
- if (ver_2_0) {
+ /* FINISHME: This list isn't quite right. */
+ const GLboolean ver_3_0 = (ctx->Extensions.ARB_half_float_vertex &&
+ ctx->Extensions.ARB_internalformat_query &&
+ ctx->Extensions.ARB_map_buffer_range &&
+ ctx->Extensions.ARB_shader_texture_lod &&
+ ctx->Extensions.ARB_texture_float &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.ARB_texture_compression_rgtc &&
+ ctx->Extensions.EXT_draw_buffers2 &&
+ /* ctx->Extensions.ARB_framebuffer_object && */
+ ctx->Extensions.EXT_framebuffer_sRGB &&
+ ctx->Extensions.EXT_packed_float &&
+ ctx->Extensions.EXT_texture_array &&
+ ctx->Extensions.EXT_texture_shared_exponent &&
+ ctx->Extensions.EXT_transform_feedback &&
+ ctx->Extensions.NV_conditional_render &&
+ ctx->Extensions.ARB_draw_instanced &&
+ ctx->Extensions.ARB_uniform_buffer_object &&
+ ctx->Extensions.EXT_texture_snorm &&
+ ctx->Extensions.NV_primitive_restart &&
+ ctx->Extensions.OES_depth_texture_cube_map);
+ if (ver_3_0) {
+ ctx->Version = 30;
+ } else if (ver_2_0) {
ctx->Version = 20;
} else {
_mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support.");
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 0f7439b3b..cd89171da 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -623,10 +623,14 @@ type_size(const struct glsl_type *type)
* at link time.
*/
return 1;
- default:
- assert(0);
- return 0;
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_INTERFACE:
+ assert(!"Invalid type in type_size");
+ break;
}
+
+ return 0;
}
/**
@@ -1427,7 +1431,21 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
case ir_unop_fract:
emit(ir, OPCODE_FRC, result_dst, op[0]);
break;
-
+ case ir_unop_pack_snorm_2x16:
+ case ir_unop_pack_snorm_4x8:
+ case ir_unop_pack_unorm_2x16:
+ case ir_unop_pack_unorm_4x8:
+ case ir_unop_pack_half_2x16:
+ case ir_unop_unpack_snorm_2x16:
+ case ir_unop_unpack_snorm_4x8:
+ case ir_unop_unpack_unorm_2x16:
+ case ir_unop_unpack_unorm_4x8:
+ case ir_unop_unpack_half_2x16:
+ case ir_unop_unpack_half_2x16_split_x:
+ case ir_unop_unpack_half_2x16_split_y:
+ case ir_binop_pack_half_2x16_split:
+ assert(!"not supported");
+ break;
case ir_binop_min:
emit(ir, OPCODE_MIN, result_dst, op[0], op[1]);
break;
@@ -1529,21 +1547,18 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
var->location);
this->variables.push_tail(entry);
break;
- case ir_var_in:
- case ir_var_inout:
+ case ir_var_shader_in:
/* The linker assigns locations for varyings and attributes,
* including deprecated builtins (like gl_Color),
* user-assigned generic attributes (glBindVertexLocation),
* and user-defined varyings.
- *
- * FINISHME: We would hit this path for function arguments. Fix!
*/
assert(var->location != -1);
entry = new(mem_ctx) variable_storage(var,
PROGRAM_INPUT,
var->location);
break;
- case ir_var_out:
+ case ir_var_shader_out:
assert(var->location != -1);
entry = new(mem_ctx) variable_storage(var,
PROGRAM_OUTPUT,
@@ -2378,7 +2393,8 @@ public:
}
private:
- virtual void visit_field(const glsl_type *type, const char *name);
+ virtual void visit_field(const glsl_type *type, const char *name,
+ bool row_major);
struct gl_shader_program *shader_program;
struct gl_program_parameter_list *params;
@@ -2386,10 +2402,13 @@ private:
};
void
-add_uniform_to_shader::visit_field(const glsl_type *type, const char *name)
+add_uniform_to_shader::visit_field(const glsl_type *type, const char *name,
+ bool row_major)
{
unsigned int size;
+ (void) row_major;
+
if (type->is_vector() || type->is_scalar()) {
size = type->vector_elements;
} else {
@@ -2459,7 +2478,7 @@ _mesa_generate_parameters_list_for_uniforms(struct gl_shader_program
ir_variable *var = ((ir_instruction *) node)->as_variable();
if ((var == NULL) || (var->mode != ir_var_uniform)
- || var->uniform_block != -1 || (strncmp(var->name, "gl_", 3) == 0))
+ || var->is_in_uniform_block() || (strncmp(var->name, "gl_", 3) == 0))
continue;
add.process(var);
@@ -2522,7 +2541,11 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
format = uniform_native;
columns = 1;
break;
- default:
+ case GLSL_TYPE_ARRAY:
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_STRUCT:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_INTERFACE:
assert(!"Should not get here.");
break;
}
diff --git a/mesalib/src/mesa/program/program.c b/mesalib/src/mesa/program/program.c
index 993803dd5..fb0aeb7ed 100644
--- a/mesalib/src/mesa/program/program.c
+++ b/mesalib/src/mesa/program/program.c
@@ -696,7 +696,7 @@ _mesa_combine_programs(struct gl_context *ctx,
const GLuint newLength = lenA + lenB;
GLboolean usedTemps[MAX_PROGRAM_TEMPS];
GLuint firstTemp = 0;
- GLbitfield inputsB;
+ GLbitfield64 inputsB;
GLuint i;
ASSERT(progA->Target == progB->Target);
@@ -724,7 +724,7 @@ _mesa_combine_programs(struct gl_context *ctx,
if (newProg->Target == GL_FRAGMENT_PROGRAM_ARB) {
const struct gl_fragment_program *fprogA, *fprogB;
struct gl_fragment_program *newFprog;
- GLbitfield progB_inputsRead = progB->InputsRead;
+ GLbitfield64 progB_inputsRead = progB->InputsRead;
GLint progB_colorFile, progB_colorIndex;
fprogA = gl_fragment_program_const(progA);
@@ -840,8 +840,8 @@ _mesa_find_used_registers(const struct gl_program *prog,
for (j = 0; j < n; j++) {
if (inst->SrcReg[j].File == file) {
- ASSERT(inst->SrcReg[j].Index < usedSize);
- if(inst->SrcReg[j].Index < usedSize)
+ ASSERT(inst->SrcReg[j].Index < (GLint) usedSize);
+ if (inst->SrcReg[j].Index < (GLint) usedSize)
used[inst->SrcReg[j].Index] = GL_TRUE;
}
}
@@ -908,23 +908,23 @@ _mesa_valid_register_index(const struct gl_context *ctx,
return GL_TRUE; /* XXX or maybe false? */
case PROGRAM_TEMPORARY:
- return index >= 0 && index < c->MaxTemps;
+ return index >= 0 && index < (GLint) c->MaxTemps;
case PROGRAM_ENV_PARAM:
- return index >= 0 && index < c->MaxEnvParams;
+ return index >= 0 && index < (GLint) c->MaxEnvParams;
case PROGRAM_LOCAL_PARAM:
- return index >= 0 && index < c->MaxLocalParams;
+ return index >= 0 && index < (GLint) c->MaxLocalParams;
case PROGRAM_UNIFORM:
case PROGRAM_STATE_VAR:
/* aka constant buffer */
- return index >= 0 && index < c->MaxUniformComponents / 4;
+ return index >= 0 && index < (GLint) c->MaxUniformComponents / 4;
case PROGRAM_CONSTANT:
/* constant buffer w/ possible relative negative addressing */
return (index > (int) c->MaxUniformComponents / -4 &&
- index < c->MaxUniformComponents / 4);
+ index < (int) c->MaxUniformComponents / 4);
case PROGRAM_INPUT:
if (index < 0)
@@ -932,11 +932,11 @@ _mesa_valid_register_index(const struct gl_context *ctx,
switch (shaderType) {
case MESA_SHADER_VERTEX:
- return index < VERT_ATTRIB_GENERIC0 + c->MaxAttribs;
+ return index < VERT_ATTRIB_GENERIC0 + (GLint) c->MaxAttribs;
case MESA_SHADER_FRAGMENT:
- return index < FRAG_ATTRIB_VAR0 + ctx->Const.MaxVarying;
+ return index < FRAG_ATTRIB_VAR0 + (GLint) ctx->Const.MaxVarying;
case MESA_SHADER_GEOMETRY:
- return index < GEOM_ATTRIB_VAR0 + ctx->Const.MaxVarying;
+ return index < GEOM_ATTRIB_VAR0 + (GLint) ctx->Const.MaxVarying;
default:
return GL_FALSE;
}
@@ -947,17 +947,17 @@ _mesa_valid_register_index(const struct gl_context *ctx,
switch (shaderType) {
case MESA_SHADER_VERTEX:
- return index < VERT_RESULT_VAR0 + ctx->Const.MaxVarying;
+ return index < VERT_RESULT_VAR0 + (GLint) ctx->Const.MaxVarying;
case MESA_SHADER_FRAGMENT:
- return index < FRAG_RESULT_DATA0 + ctx->Const.MaxDrawBuffers;
+ return index < FRAG_RESULT_DATA0 + (GLint) ctx->Const.MaxDrawBuffers;
case MESA_SHADER_GEOMETRY:
- return index < GEOM_RESULT_VAR0 + ctx->Const.MaxVarying;
+ return index < GEOM_RESULT_VAR0 + (GLint) ctx->Const.MaxVarying;
default:
return GL_FALSE;
}
case PROGRAM_ADDRESS:
- return index >= 0 && index < c->MaxAddressRegs;
+ return index >= 0 && index < (GLint) c->MaxAddressRegs;
default:
_mesa_problem(ctx,
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index 843dc5be3..63dbdb29b 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -350,9 +350,8 @@ setup_bitmap_vertex_data(struct st_context *st, bool normalized,
tBot = (GLfloat) height;
}
- u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), vbuf_offset, vbuf,
- (void**)&vertices);
- if (!vbuf) {
+ if (u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]),
+ vbuf_offset, vbuf, (void **) &vertices) != PIPE_OK) {
return;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index d01236e28..a5aa8f496 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -141,9 +141,8 @@ draw_quad(struct st_context *st,
GLuint i, offset;
float (*vertices)[2][4]; /**< vertex pos + color */
- u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), &offset, &vbuf,
- (void**)&vertices);
- if (!vbuf) {
+ if (u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]),
+ &offset, &vbuf, (void **) &vertices) != PIPE_OK) {
return;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index ff8a9dc43..c944b81f6 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -568,9 +568,8 @@ draw_quad(struct gl_context *ctx, GLfloat x0, GLfloat y0, GLfloat z,
struct pipe_resource *buf = NULL;
unsigned offset;
- u_upload_alloc(st->uploader, 0, 4 * sizeof(verts[0]), &offset, &buf,
- (void**)&verts);
- if (!buf) {
+ if (u_upload_alloc(st->uploader, 0, 4 * sizeof(verts[0]), &offset,
+ &buf, (void **) &verts) != PIPE_OK) {
return;
}
@@ -795,7 +794,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
y1 = y + height * ctx->Pixel.ZoomY;
/* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
- z = z * 2.0 - 1.0;
+ z = z * 2.0f - 1.0f;
draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
@@ -1063,7 +1062,7 @@ static void
clamp_size(struct pipe_context *pipe, GLsizei *width, GLsizei *height,
struct gl_pixelstore_attrib *unpack)
{
- const unsigned maxSize =
+ const int maxSize =
1 << (pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
index 269068da2..5ca097004 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
@@ -148,10 +148,9 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
GLfloat *vbuf = NULL;
GLuint attr;
- u_upload_alloc(st->uploader, 0,
- numAttribs * 4 * 4 * sizeof(GLfloat),
- &offset, &vbuffer, (void**)&vbuf);
- if (!vbuffer) {
+ if (u_upload_alloc(st->uploader, 0,
+ numAttribs * 4 * 4 * sizeof(GLfloat),
+ &offset, &vbuffer, (void **) &vbuf) != PIPE_OK) {
return;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 7f07b741e..3cea2df07 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -1555,6 +1555,7 @@ void
st_init_texture_functions(struct dd_function_table *functions)
{
functions->ChooseTextureFormat = st_ChooseTextureFormat;
+ functions->QuerySamplesForFormat = st_QuerySamplesForFormat;
functions->TexImage = st_TexImage;
functions->TexSubImage = _mesa_store_texsubimage;
functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index de539ca5a..de62264a1 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -84,7 +84,12 @@ all_varyings_in_vbos(const struct gl_client_array *arrays[])
}
-static void
+/**
+ * Basically, translate Mesa's index buffer information into
+ * a pipe_index_buffer object.
+ * \return TRUE or FALSE for success/failure
+ */
+static boolean
setup_index_buffer(struct st_context *st,
const struct _mesa_index_buffer *ib,
struct pipe_index_buffer *ibuffer)
@@ -100,8 +105,12 @@ setup_index_buffer(struct st_context *st,
ibuffer->offset = pointer_to_offset(ib->ptr);
}
else if (st->indexbuf_uploader) {
- u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
- ib->ptr, &ibuffer->offset, &ibuffer->buffer);
+ if (u_upload_data(st->indexbuf_uploader, 0,
+ ib->count * ibuffer->index_size, ib->ptr,
+ &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
+ /* out of memory */
+ return FALSE;
+ }
u_upload_unmap(st->indexbuf_uploader);
}
else {
@@ -110,6 +119,7 @@ setup_index_buffer(struct st_context *st,
}
cso_set_index_buffer(st->cso_context, ibuffer);
+ return TRUE;
}
@@ -220,7 +230,10 @@ st_draw_vbo(struct gl_context *ctx,
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
nr_prims);
- setup_index_buffer(st, ib, &ibuffer);
+ if (!setup_index_buffer(st, ib, &ibuffer)) {
+ /* out of memory */
+ return;
+ }
info.indexed = TRUE;
if (min_index != ~0 && max_index != ~0) {
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 18d89815d..af54cf7c8 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -516,6 +516,7 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.ARB_fragment_shader = GL_TRUE;
ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+ ctx->Extensions.ARB_internalformat_query = GL_TRUE;
ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
ctx->Extensions.ARB_shader_objects = GL_TRUE;
ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
@@ -594,9 +595,10 @@ void st_init_extensions(struct st_context *st)
ctx->Const.NativeIntegers = GL_TRUE;
ctx->Const.MaxClipPlanes = 8;
- /* Extensions that only depend on GLSL 1.3. */
+ /* Extensions that either depend on GLSL 1.30 or are a subset thereof. */
ctx->Extensions.ARB_conservative_depth = GL_TRUE;
ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
+ ctx->Extensions.OES_depth_texture_cube_map = GL_TRUE;
} else {
/* Optional integer support for GLSL 1.2. */
if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index af81f732d..7ef063953 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1642,6 +1642,40 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
}
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
+size_t
+st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
+ int samples[16])
+{
+ struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+ enum pipe_format format;
+ unsigned i, bind, num_sample_counts = 0;
+
+ if (_mesa_is_depth_or_stencil_format(internalFormat))
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* Set sample counts in descending order. */
+ for (i = 16; i > 1; i--) {
+ format = st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, i, bind);
+
+ if (format != PIPE_FORMAT_NONE) {
+ samples[num_sample_counts++] = i;
+ }
+ }
+
+ if (!num_sample_counts) {
+ samples[num_sample_counts++] = 1;
+ }
+
+ return num_sample_counts;
+}
+
+
GLboolean
st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2)
{
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index 39397b17a..cb6e5bc96 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -67,6 +67,9 @@ st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
GLint internalFormat,
GLenum format, GLenum type);
+size_t
+st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
+ int samples[16]);
/* can we use a sampler view to translate these formats
only used to make TFP so far */
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 1d96e905c..c6ac634a2 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -984,10 +984,13 @@ type_size(const struct glsl_type *type)
* at link time.
*/
return 1;
- default:
- assert(0);
- return 0;
+ case GLSL_TYPE_INTERFACE:
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ assert(!"Invalid type in type_size");
+ break;
}
+ return 0;
}
/**
@@ -1932,10 +1935,23 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
}
break;
}
+ case ir_unop_pack_snorm_2x16:
+ case ir_unop_pack_unorm_2x16:
+ case ir_unop_pack_half_2x16:
+ case ir_unop_pack_snorm_4x8:
+ case ir_unop_pack_unorm_4x8:
+ case ir_unop_unpack_snorm_2x16:
+ case ir_unop_unpack_unorm_2x16:
+ case ir_unop_unpack_half_2x16:
+ case ir_unop_unpack_half_2x16_split_x:
+ case ir_unop_unpack_half_2x16_split_y:
+ case ir_unop_unpack_snorm_4x8:
+ case ir_unop_unpack_unorm_4x8:
+ case ir_binop_pack_half_2x16_split:
case ir_quadop_vector:
- /* This operation should have already been handled.
+ /* This operation is not supported, or should have already been handled.
*/
- assert(!"Should not get here.");
+ assert(!"Invalid ir opcode in glsl_to_tgsi_visitor::visit()");
break;
}
@@ -2001,21 +2017,18 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
var->location);
this->variables.push_tail(entry);
break;
- case ir_var_in:
- case ir_var_inout:
+ case ir_var_shader_in:
/* The linker assigns locations for varyings and attributes,
* including deprecated builtins (like gl_Color), user-assign
* generic attributes (glBindVertexLocation), and
* user-defined varyings.
- *
- * FINISHME: We would hit this path for function arguments. Fix!
*/
assert(var->location != -1);
entry = new(mem_ctx) variable_storage(var,
PROGRAM_INPUT,
var->location);
break;
- case ir_var_out:
+ case ir_var_shader_out:
assert(var->location != -1);
entry = new(mem_ctx) variable_storage(var,
PROGRAM_OUTPUT,
@@ -2304,7 +2317,7 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir)
assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector());
l.writemask = WRITEMASK_XYZW;
} else if (ir->lhs->type->is_scalar() &&
- ir->lhs->variable_referenced()->mode == ir_var_out) {
+ ir->lhs->variable_referenced()->mode == ir_var_shader_out) {
/* FINISHME: This hack makes writing to gl_FragDepth, which lives in the
* FINISHME: W component of fragment shader output zero, work correctly.
*/
@@ -2581,8 +2594,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
ir_rvalue *param_rval = (ir_rvalue *)iter.get();
ir_variable *param = (ir_variable *)sig_iter.get();
- if (param->mode == ir_var_in ||
- param->mode == ir_var_inout) {
+ if (param->mode == ir_var_function_in ||
+ param->mode == ir_var_function_inout) {
variable_storage *storage = find_variable_storage(param);
assert(storage);
@@ -2617,8 +2630,8 @@ glsl_to_tgsi_visitor::visit(ir_call *ir)
ir_rvalue *param_rval = (ir_rvalue *)iter.get();
ir_variable *param = (ir_variable *)sig_iter.get();
- if (param->mode == ir_var_out ||
- param->mode == ir_var_inout) {
+ if (param->mode == ir_var_function_out ||
+ param->mode == ir_var_function_inout) {
variable_storage *storage = find_variable_storage(param);
assert(storage);
diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c
index 0a91cca06..953300f65 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.c
+++ b/mesalib/src/mesa/swrast/s_texfilter.c
@@ -1647,14 +1647,14 @@ sample_2d_ewa(struct gl_context *ctx,
GLfloat rgba[])
{
GLint level = lod > 0 ? lod : 0;
- GLfloat scaling = 1.0 / (1 << level);
+ GLfloat scaling = 1.0f / (1 << level);
const struct gl_texture_image *img = tObj->Image[0][level];
const struct gl_texture_image *mostDetailedImage =
tObj->Image[0][tObj->BaseLevel];
const struct swrast_texture_image *swImg =
swrast_texture_image_const(mostDetailedImage);
- GLfloat tex_u=-0.5 + texcoord[0] * swImg->WidthScale * scaling;
- GLfloat tex_v=-0.5 + texcoord[1] * swImg->HeightScale * scaling;
+ GLfloat tex_u = -0.5f + texcoord[0] * swImg->WidthScale * scaling;
+ GLfloat tex_v = -0.5f + texcoord[1] * swImg->HeightScale * scaling;
GLfloat ux = dudx * scaling;
GLfloat vx = dvdx * scaling;
@@ -1667,20 +1667,20 @@ sample_2d_ewa(struct gl_context *ctx,
GLfloat A = vx*vx+vy*vy+1;
GLfloat B = -2*(ux*vx+uy*vy);
GLfloat C = ux*ux+uy*uy+1;
- GLfloat F = A*C-B*B/4.0;
+ GLfloat F = A*C-B*B/4.0f;
/* check if it is an ellipse */
/* ASSERT(F > 0.0); */
/* Compute the ellipse's (u,v) bounding box in texture space */
- GLfloat d = -B*B+4.0*C*A;
- GLfloat box_u = 2.0 / d * sqrt(d*C*F); /* box_u -> half of bbox with */
- GLfloat box_v = 2.0 / d * sqrt(A*d*F); /* box_v -> half of bbox height */
+ GLfloat d = -B*B+4.0f*C*A;
+ GLfloat box_u = 2.0f / d * sqrtf(d*C*F); /* box_u -> half of bbox with */
+ GLfloat box_v = 2.0f / d * sqrtf(A*d*F); /* box_v -> half of bbox height */
- GLint u0 = floor(tex_u - box_u);
- GLint u1 = ceil (tex_u + box_u);
- GLint v0 = floor(tex_v - box_v);
- GLint v1 = ceil (tex_v + box_v);
+ GLint u0 = (GLint) floorf(tex_u - box_u);
+ GLint u1 = (GLint) ceilf (tex_u + box_u);
+ GLint v0 = (GLint) floorf(tex_v - box_v);
+ GLint v1 = (GLint) ceilf (tex_v + box_v);
GLfloat num[4] = {0.0F, 0.0F, 0.0F, 0.0F};
GLfloat newCoord[2];
@@ -1692,7 +1692,7 @@ sample_2d_ewa(struct gl_context *ctx,
/* Scale ellipse formula to directly index the Filter Lookup Table.
* i.e. scale so that F = WEIGHT_LUT_SIZE-1
*/
- double formScale = (double) (WEIGHT_LUT_SIZE - 1) / F;
+ GLfloat formScale = (GLfloat) (WEIGHT_LUT_SIZE - 1) / F;
A *= formScale;
B *= formScale;
C *= formScale;
@@ -1715,7 +1715,7 @@ sample_2d_ewa(struct gl_context *ctx,
/* as a LUT is used, q must never be negative;
* should not happen, though
*/
- const GLint qClamped = q >= 0.0F ? q : 0;
+ const GLint qClamped = q >= 0.0F ? (GLint) q : 0;
GLfloat weight = weightLut[qClamped];
newCoord[0] = u / ((GLfloat) img->Width2);
@@ -1795,19 +1795,19 @@ sample_2d_footprint(struct gl_context *ctx,
/* Calculate the per anisotropic sample offsets in s,t space. */
if (Px2 > Py2) {
- numSamples = ceil(sqrtf(Px2));
+ numSamples = (GLint) ceilf(sqrtf(Px2));
ds = ux / ((GLfloat) img->Width2);
dt = vx / ((GLfloat) img->Height2);
}
else {
- numSamples = ceil(sqrtf(Py2));
+ numSamples = (GLint) ceilf(sqrtf(Py2));
ds = uy / ((GLfloat) img->Width2);
dt = vy / ((GLfloat) img->Height2);
}
for (s = 0; s<numSamples; s++) {
- newCoord[0] = texcoord[0] + ds * ((GLfloat)(s+1) / (numSamples+1) -0.5);
- newCoord[1] = texcoord[1] + dt * ((GLfloat)(s+1) / (numSamples+1) -0.5);
+ newCoord[0] = texcoord[0] + ds * ((GLfloat)(s+1) / (numSamples+1) -0.5f);
+ newCoord[1] = texcoord[1] + dt * ((GLfloat)(s+1) / (numSamples+1) -0.5f);
sample_2d_linear(ctx, samp, img, newCoord, rgba);
num[0] += rgba[0];
@@ -1956,7 +1956,7 @@ sample_lambda_2d_aniso(struct gl_context *ctx,
/* note: we need to have Pmin=sqrt(Pmin2) here, but we can avoid
* this since 0.5*log(x) = log(sqrt(x))
*/
- lod = 0.5 * LOG2(Pmin2);
+ lod = 0.5f * LOG2(Pmin2);
if (adjustLOD) {
/* from swrast/s_texcombine.c _swrast_texture_span */
@@ -1988,7 +1988,7 @@ sample_lambda_2d_aniso(struct gl_context *ctx,
* seem to be worth the extra running time.
*/
sample_2d_ewa(ctx, samp, tObj, texcoords[i],
- dudx, dvdx, dudy, dvdy, floor(lod), rgba[i]);
+ dudx, dvdx, dudy, dvdy, (GLint) floorf(lod), rgba[i]);
/* unused: */
(void) sample_2d_footprint;
diff --git a/mesalib/src/mesa/vbo/vbo_exec_api.c b/mesalib/src/mesa/vbo/vbo_exec_api.c
index 985f2209c..353f8cfde 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_api.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_api.c
@@ -124,6 +124,11 @@ void vbo_exec_vtx_wrap( struct vbo_exec_context *exec )
*/
vbo_exec_wrap_buffers( exec );
+ if (!exec->vtx.buffer_ptr) {
+ /* probably ran out of memory earlier when allocating the VBO */
+ return;
+ }
+
/* Copy stored stored vertices to start of new list.
*/
assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr);