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Diffstat (limited to 'src/mesa/main/context.c')
-rw-r--r--src/mesa/main/context.c127
1 files changed, 112 insertions, 15 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 0a4c9acdfe..f6d4ac4595 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -129,6 +129,9 @@
#if FEATURE_ARB_occlusion_query
#include "queryobj.h"
#endif
+#if FEATURE_ARB_sync
+#include "syncobj.h"
+#endif
#if FEATURE_drawpix
#include "rastpos.h"
#endif
@@ -150,6 +153,7 @@
#include "glapi/glapioffsets.h"
#include "glapi/glapitable.h"
#include "shader/program.h"
+#include "shader/prog_print.h"
#include "shader/shader_api.h"
#if FEATURE_ATI_fragment_shader
#include "shader/atifragshader.h"
@@ -455,7 +459,7 @@ _mesa_init_current(GLcontext *ctx)
GLuint i;
/* Init all to (0,0,0,1) */
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
+ for (i = 0; i < Elements(ctx->Current.Attrib); i++) {
ASSIGN_4V( ctx->Current.Attrib[i], 0.0, 0.0, 0.0, 1.0 );
}
@@ -486,7 +490,7 @@ init_program_limits(GLenum type, struct gl_program_constants *prog)
prog->MaxUniformComponents = 4 * MAX_UNIFORMS;
if (type == GL_VERTEX_PROGRAM_ARB) {
- prog->MaxParameters = MAX_NV_VERTEX_PROGRAM_PARAMS;
+ prog->MaxParameters = MAX_VERTEX_PROGRAM_PARAMS;
prog->MaxAttribs = MAX_NV_VERTEX_PROGRAM_INPUTS;
prog->MaxAddressRegs = MAX_VERTEX_PROGRAM_ADDRESS_REGS;
}
@@ -496,15 +500,17 @@ init_program_limits(GLenum type, struct gl_program_constants *prog)
prog->MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS;
}
- /* copy the above limits to init native limits */
- prog->MaxNativeInstructions = prog->MaxInstructions;
- prog->MaxNativeAluInstructions = prog->MaxAluInstructions;
- prog->MaxNativeTexInstructions = prog->MaxTexInstructions;
- prog->MaxNativeTexIndirections = prog->MaxTexIndirections;
- prog->MaxNativeAttribs = prog->MaxAttribs;
- prog->MaxNativeTemps = prog->MaxTemps;
- prog->MaxNativeAddressRegs = prog->MaxAddressRegs;
- prog->MaxNativeParameters = prog->MaxParameters;
+ /* Set the native limits to zero. This implies that there is no native
+ * support for shaders. Let the drivers fill in the actual values.
+ */
+ prog->MaxNativeInstructions = 0;
+ prog->MaxNativeAluInstructions = 0;
+ prog->MaxNativeTexInstructions = 0;
+ prog->MaxNativeTexIndirections = 0;
+ prog->MaxNativeAttribs = 0;
+ prog->MaxNativeTemps = 0;
+ prog->MaxNativeAddressRegs = 0;
+ prog->MaxNativeParameters = 0;
}
@@ -589,9 +595,15 @@ _mesa_init_constants(GLcontext *ctx)
/* GL_ARB_framebuffer_object */
ctx->Const.MaxSamples = 0;
+ /* GL_ARB_sync */
+ ctx->Const.MaxServerWaitTimeout = (GLuint64) ~0;
+
/* GL_ATI_envmap_bumpmap */
ctx->Const.SupportedBumpUnits = SUPPORTED_ATI_BUMP_UNITS;
+ /* GL_EXT_provoking_vertex */
+ ctx->Const.QuadsFollowProvokingVertexConvention = GL_TRUE;
+
/* sanity checks */
ASSERT(ctx->Const.MaxTextureUnits == MIN2(ctx->Const.MaxTextureImageUnits,
ctx->Const.MaxTextureCoordUnits));
@@ -602,6 +614,10 @@ _mesa_init_constants(GLcontext *ctx)
ASSERT(MAX_NV_VERTEX_PROGRAM_TEMPS <= MAX_PROGRAM_TEMPS);
ASSERT(MAX_NV_VERTEX_PROGRAM_INPUTS <= VERT_ATTRIB_MAX);
ASSERT(MAX_NV_VERTEX_PROGRAM_OUTPUTS <= VERT_RESULT_MAX);
+
+ /* check that we don't exceed various 32-bit bitfields */
+ ASSERT(VERT_RESULT_MAX <= 32);
+ ASSERT(FRAG_ATTRIB_MAX <= 32);
}
@@ -705,6 +721,9 @@ init_attrib_groups(GLcontext *ctx)
#if FEATURE_ARB_occlusion_query
_mesa_init_query( ctx );
#endif
+#if FEATURE_ARB_sync
+ _mesa_init_sync( ctx );
+#endif
#if FEATURE_drawpix
_mesa_init_rastpos( ctx );
#endif
@@ -1004,6 +1023,10 @@ _mesa_free_context_data( GLcontext *ctx )
#if FEATURE_ARB_occlusion_query
_mesa_free_query_data(ctx);
#endif
+#if FEATURE_ARB_sync
+ _mesa_free_sync_data(ctx);
+#endif
+ _mesa_free_varray_data(ctx);
_mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj);
@@ -1017,10 +1040,6 @@ _mesa_free_context_data( GLcontext *ctx )
_mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, NULL);
#endif
-#if FEATURE_ARB_vertex_buffer_object
- _mesa_delete_buffer_object(ctx, ctx->Array.NullBufferObj);
-#endif
-
/* free dispatch tables */
_mesa_free(ctx->Exec);
_mesa_free(ctx->Save);
@@ -1572,4 +1591,82 @@ _mesa_set_mvp_with_dp4( GLcontext *ctx,
}
+
+/**
+ * Prior to drawing anything with glBegin, glDrawArrays, etc. this function
+ * is called to see if it's valid to render. This involves checking that
+ * the current shader is valid and the framebuffer is complete.
+ * If an error is detected it'll be recorded here.
+ * \return GL_TRUE if OK to render, GL_FALSE if not
+ */
+GLboolean
+_mesa_valid_to_render(GLcontext *ctx, const char *where)
+{
+ if (ctx->Shader.CurrentProgram) {
+ /* using shaders */
+ if (!ctx->Shader.CurrentProgram->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(shader not linked), where");
+ return GL_FALSE;
+ }
+#if 0 /* not normally enabled */
+ {
+ char errMsg[100];
+ if (!_mesa_validate_shader_program(ctx, ctx->Shader.CurrentProgram,
+ errMsg)) {
+ _mesa_warning(ctx, "Shader program %u is invalid: %s",
+ ctx->Shader.CurrentProgram->Name, errMsg);
+ }
+ }
+#endif
+ }
+ else {
+ if (ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(vertex program not valid)", where);
+ return GL_FALSE;
+ }
+ if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(fragment program not valid)", where);
+ return GL_FALSE;
+ }
+ }
+
+ if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "%s(incomplete framebuffer)", where);
+ return GL_FALSE;
+ }
+
+#ifdef DEBUG
+ if (ctx->Shader.Flags & GLSL_LOG) {
+ struct gl_shader_program *shProg = ctx->Shader.CurrentProgram;
+ if (shProg) {
+ if (!shProg->_Used) {
+ /* This is the first time this shader is being used.
+ * Append shader's constants/uniforms to log file.
+ */
+ GLuint i;
+ for (i = 0; i < shProg->NumShaders; i++) {
+ struct gl_shader *sh = shProg->Shaders[i];
+ if (sh->Type == GL_VERTEX_SHADER) {
+ _mesa_append_uniforms_to_file(sh,
+ &shProg->VertexProgram->Base);
+ }
+ else if (sh->Type == GL_FRAGMENT_SHADER) {
+ _mesa_append_uniforms_to_file(sh,
+ &shProg->FragmentProgram->Base);
+ }
+ }
+ shProg->_Used = GL_TRUE;
+ }
+ }
+ }
+#endif
+
+ return GL_TRUE;
+}
+
+
/*@}*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-08 11:02:41 +0000