#include "shaderobj.h"
#include "shaderimage.h"
#include "util/simple_list.h"
+#include "util/strtod.h"
#include "state.h"
#include "stencil.h"
#include "texcompress_s3tc.h"
/*@{*/
-/**
- * This is lame. gdb only seems to recognize enum types that are
- * actually used somewhere. We want to be able to print/use enum
- * values such as TEXTURE_2D_INDEX in gdb. But we don't actually use
- * the gl_texture_index type anywhere. Thus, this lame function.
- */
-static void
-dummy_enum_func(void)
-{
- gl_buffer_index bi = BUFFER_FRONT_LEFT;
- gl_face_index fi = FACE_POS_X;
- gl_frag_result fr = FRAG_RESULT_DEPTH;
- gl_texture_index ti = TEXTURE_2D_ARRAY_INDEX;
- gl_vert_attrib va = VERT_ATTRIB_POS;
- gl_varying_slot vs = VARYING_SLOT_POS;
-
- (void) bi;
- (void) fi;
- (void) fr;
- (void) ti;
- (void) va;
- (void) vs;
-}
-
-
/**
* One-time initialization mutex lock.
*
mtx_t OneTimeLock = _MTX_INITIALIZER_NP;
+/**
+ * Calls all the various one-time-fini functions in Mesa
+ */
+
+static void
+one_time_fini(void)
+{
+ _mesa_destroy_shader_compiler();
+ _mesa_locale_fini();
+}
/**
* Calls all the various one-time-init functions in Mesa.
if (!api_init_mask) {
GLuint i;
- /* do some implementation tests */
- assert( sizeof(GLbyte) == 1 );
- assert( sizeof(GLubyte) == 1 );
- assert( sizeof(GLshort) == 2 );
- assert( sizeof(GLushort) == 2 );
- assert( sizeof(GLint) == 4 );
- assert( sizeof(GLuint) == 4 );
+ STATIC_ASSERT(sizeof(GLbyte) == 1);
+ STATIC_ASSERT(sizeof(GLubyte) == 1);
+ STATIC_ASSERT(sizeof(GLshort) == 2);
+ STATIC_ASSERT(sizeof(GLushort) == 2);
+ STATIC_ASSERT(sizeof(GLint) == 4);
+ STATIC_ASSERT(sizeof(GLuint) == 4);
+
+ _mesa_locale_init();
_mesa_one_time_init_extension_overrides();
_mesa_ubyte_to_float_color_tab[i] = (float) i / 255.0F;
}
+ atexit(one_time_fini);
+
#if defined(DEBUG) && defined(__DATE__) && defined(__TIME__)
if (MESA_VERBOSE != 0) {
_mesa_debug(ctx, "Mesa %s DEBUG build %s %s\n",
api_init_mask |= 1 << ctx->API;
mtx_unlock(&OneTimeLock);
-
- /* Hopefully atexit() is widely available. If not, we may need some
- * #ifdef tests here.
- */
- atexit(_mesa_destroy_shader_compiler);
-
- dummy_enum_func();
}
prog->MaxOutputComponents = 16 * 4; /* old limit not to break tnl and swrast */
break;
case MESA_SHADER_FRAGMENT:
- prog->MaxParameters = MAX_NV_FRAGMENT_PROGRAM_PARAMS;
- prog->MaxAttribs = MAX_NV_FRAGMENT_PROGRAM_INPUTS;
+ prog->MaxParameters = MAX_FRAGMENT_PROGRAM_PARAMS;
+ prog->MaxAttribs = MAX_FRAGMENT_PROGRAM_INPUTS;
prog->MaxAddressRegs = MAX_FRAGMENT_PROGRAM_ADDRESS_REGS;
prog->MaxUniformComponents = 4 * MAX_UNIFORMS;
prog->MaxInputComponents = 16 * 4; /* old limit not to break tnl and swrast */
prog->MaxOutputComponents = 0; /* value not used */
break;
+ case MESA_SHADER_TESS_CTRL:
+ case MESA_SHADER_TESS_EVAL:
case MESA_SHADER_GEOMETRY:
prog->MaxParameters = MAX_VERTEX_PROGRAM_PARAMS;
prog->MaxAttribs = MAX_VERTEX_GENERIC_ATTRIBS;
prog->MaxAtomicBuffers = 0;
prog->MaxAtomicCounters = 0;
+
+ prog->MaxShaderStorageBlocks = 8;
}
consts->MaxUniformBlockSize = 16384;
consts->UniformBufferOffsetAlignment = 1;
+ /** GL_ARB_shader_storage_buffer_object */
+ consts->MaxCombinedShaderStorageBlocks = 8;
+ consts->MaxShaderStorageBufferBindings = 8;
+ consts->MaxShaderStorageBlockSize = 128 * 1024 * 1024; /* 2^27 */
+ consts->ShaderStorageBufferOffsetAlignment = 256;
+
/* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */
consts->MaxUserAssignableUniformLocations =
4 * MESA_SHADER_STAGES * MAX_UNIFORMS;
/** GL_KHR_context_flush_control */
consts->ContextReleaseBehavior = GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH;
+
+ /** GL_ARB_tessellation_shader */
+ consts->MaxTessGenLevel = MAX_TESS_GEN_LEVEL;
+ consts->MaxPatchVertices = MAX_PATCH_VERTICES;
+ consts->Program[MESA_SHADER_TESS_CTRL].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS;
+ consts->Program[MESA_SHADER_TESS_EVAL].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS;
+ consts->MaxTessPatchComponents = MAX_TESS_PATCH_COMPONENTS;
+ consts->MaxTessControlTotalOutputComponents = MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS;
}
}
+/* XXX this is temporary and should be removed at some point in the
+ * future when there's a reasonable expectation that the libGL library
+ * contains the _glapi_new_nop_table() and _glapi_set_nop_handler()
+ * functions which were added in Mesa 10.6.
+ */
+#if !defined(_WIN32)
+/* Avoid libGL / driver ABI break */
+#define USE_GLAPI_NOP_FEATURES 0
+#else
+#define USE_GLAPI_NOP_FEATURES 1
+#endif
+
+
/**
* This function is called by the glapi no-op functions. For each OpenGL
* function/entrypoint there's a simple no-op function. These "no-op"
*
* \param name the name of the OpenGL function
*/
+#if USE_GLAPI_NOP_FEATURES
static void
nop_handler(const char *name)
{
}
#endif
}
+#endif
/**
static void GLAPIENTRY
nop_glFlush(void)
{
- /* don't record an error like we do in _mesa_generic_nop() */
+ /* don't record an error like we do in nop_handler() */
+}
+#endif
+
+
+#if !USE_GLAPI_NOP_FEATURES
+static int
+generic_nop(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "unsupported function called "
+ "(unsupported extension or deprecated function?)");
+ return 0;
}
#endif
+/**
+ * Create a new API dispatch table in which all entries point to the
+ * generic_nop() function. This will not work on Windows because of
+ * the __stdcall convention which requires the callee to clean up the
+ * call stack. That's impossible with one generic no-op function.
+ */
+struct _glapi_table *
+_mesa_new_nop_table(unsigned numEntries)
+{
+ struct _glapi_table *table;
+
+#if !USE_GLAPI_NOP_FEATURES
+ table = malloc(numEntries * sizeof(_glapi_proc));
+ if (table) {
+ _glapi_proc *entry = (_glapi_proc *) table;
+ unsigned i;
+ for (i = 0; i < numEntries; i++) {
+ entry[i] = (_glapi_proc) generic_nop;
+ }
+ }
+#else
+ table = _glapi_new_nop_table(numEntries);
+#endif
+ return table;
+}
+
+
/**
* Allocate and initialize a new dispatch table. The table will be
* populated with pointers to "no-op" functions. In turn, the no-op
* Mesa we do this to accommodate different versions of libGL and various
* DRI drivers.
*/
- GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
- struct _glapi_table *table = _glapi_new_nop_table(numEntries);
+ int numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
+
+ struct _glapi_table *table = _mesa_new_nop_table(numEntries);
#if defined(_WIN32)
if (table) {
}
#endif
+#if USE_GLAPI_NOP_FEATURES
_glapi_set_nop_handler(nop_handler);
+#endif
return table;
}
ctx->HasConfig = GL_FALSE;
}
- if (_mesa_is_desktop_gl(ctx)) {
- _mesa_override_gl_version(ctx);
- }
+ _mesa_override_gl_version(ctx);
/* misc one-time initializations */
one_time_init(ctx);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, NULL);
- _mesa_reference_geomprog(ctx, &ctx->GeometryProgram.Current, NULL);
+ _mesa_reference_tesscprog(ctx, &ctx->TessCtrlProgram._Current, NULL);
+ _mesa_reference_tesseprog(ctx, &ctx->TessEvalProgram._Current, NULL);
_mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, NULL);