#include "api_loopback.h"
#include "arrayobj.h"
#include "attrib.h"
+#include "bbox.h"
#include "blend.h"
#include "buffers.h"
#include "bufferobj.h"
#include "context.h"
#include "cpuinfo.h"
#include "debug.h"
+#include "debug_output.h"
#include "depth.h"
#include "dlist.h"
#include "eval.h"
#include "fog.h"
#include "formats.h"
#include "framebuffer.h"
+#include "glthread.h"
#include "hint.h"
#include "hash.h"
#include "light.h"
#include "matrix.h"
#include "multisample.h"
#include "performance_monitor.h"
+#include "performance_query.h"
#include "pipelineobj.h"
#include "pixel.h"
#include "pixelstore.h"
#include "scissor.h"
#include "shared.h"
#include "shaderobj.h"
-#include "util/simple_list.h"
-#include "state.h"
+#include "shaderimage.h"
+#include "util/debug.h"
+#include "util/disk_cache.h"
+#include "util/strtod.h"
#include "stencil.h"
#include "texcompress_s3tc.h"
#include "texstate.h"
#include "varray.h"
#include "version.h"
#include "viewport.h"
-#include "vtxfmt.h"
+#include "texturebindless.h"
#include "program/program.h"
-#include "program/prog_print.h"
#include "math/m_matrix.h"
#include "main/dispatch.h" /* for _gloffset_COUNT */
-#include "uniforms.h"
#include "macros.h"
+#include "git_sha1.h"
#ifdef USE_SPARC_ASM
#include "sparc/sparc.h"
#endif
-#include "glsl_parser_extras.h"
+#include "compiler/glsl_types.h"
+#include "compiler/glsl/glsl_parser_extras.h"
#include <stdbool.h>
/**
* Swap buffers notification callback.
- *
+ *
* \param ctx GL context.
*
* Called by window system just before swapping buffers.
/**
* Allocates a struct gl_config structure and initializes it via
* _mesa_initialize_visual().
- *
+ *
* \param dbFlag double buffering
* \param stereoFlag stereo buffer
* \param depthBits requested bits per depth buffer value. Any value in [0, 32]
* \param blueBits same as above.
* \param alphaBits same as above.
* \param numSamples not really used.
- *
+ *
* \return pointer to new struct gl_config or NULL if requested parameters
* can't be met.
*
* Destroy a visual and free its memory.
*
* \param vis visual.
- *
+ *
* Frees the visual structure.
*/
void
/*@{*/
-/**
- * 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;
}
-#if defined(DEBUG) && defined(__DATE__) && defined(__TIME__)
+ atexit(one_time_fini);
+
+#if defined(DEBUG)
if (MESA_VERBOSE != 0) {
- _mesa_debug(ctx, "Mesa %s DEBUG build %s %s\n",
- PACKAGE_VERSION, __DATE__, __TIME__);
- }
+ _mesa_debug(ctx, "Mesa " PACKAGE_VERSION " DEBUG build"
+#ifdef MESA_GIT_SHA1
+ " (" MESA_GIT_SHA1 ")"
#endif
-
-#ifdef DEBUG
- _mesa_test_formats();
+ "\n");
+ }
#endif
}
/* per-API one-time init */
if (!(api_init_mask & (1 << ctx->API))) {
- _mesa_init_get_hash(ctx);
-
_mesa_init_remap_table();
}
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->MaxLights = MAX_LIGHTS;
consts->MaxShininess = 128.0;
consts->MaxSpotExponent = 128.0;
- consts->MaxViewportWidth = MAX_VIEWPORT_WIDTH;
- consts->MaxViewportHeight = MAX_VIEWPORT_HEIGHT;
+ consts->MaxViewportWidth = 16384;
+ consts->MaxViewportHeight = 16384;
consts->MinMapBufferAlignment = 64;
/* Driver must override these values if ARB_viewport_array is supported. */
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;
consts->UniformBooleanTrue = FLOAT_AS_UNION(1.0f).u;
/* GL_ARB_sync */
- consts->MaxServerWaitTimeout = 0x1fff7fffffffULL;
+ consts->MaxServerWaitTimeout = 0x7fffffff7fffffffULL;
/* GL_EXT_provoking_vertex */
consts->QuadsFollowProvokingVertexConvention = GL_TRUE;
+ /** GL_ARB_viewport_array */
+ consts->LayerAndVPIndexProvokingVertex = GL_UNDEFINED_VERTEX;
+
/* GL_EXT_transform_feedback */
consts->MaxTransformFeedbackBuffers = MAX_FEEDBACK_BUFFERS;
consts->MaxTransformFeedbackSeparateComponents = 4 * MAX_FEEDBACK_ATTRIBS;
/* GL_ARB_robustness */
consts->ResetStrategy = GL_NO_RESET_NOTIFICATION_ARB;
+ /* GL_KHR_robustness */
+ consts->RobustAccess = GL_FALSE;
+
/* ES 3.0 or ARB_ES3_compatibility */
consts->MaxElementIndex = 0xffffffffu;
consts->MaxComputeWorkGroupSize[0] = 1024;
consts->MaxComputeWorkGroupSize[1] = 1024;
consts->MaxComputeWorkGroupSize[2] = 64;
- consts->MaxComputeWorkGroupInvocations = 1024;
+ /* Enables compute support for GLES 3.1 if >= 128 */
+ consts->MaxComputeWorkGroupInvocations = 0;
/** GL_ARB_gpu_shader5 */
consts->MinFragmentInterpolationOffset = MIN_FRAGMENT_INTERPOLATION_OFFSET;
/** 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;
+ consts->PrimitiveRestartForPatches = false;
+
+ /** GL_ARB_compute_variable_group_size */
+ consts->MaxComputeVariableGroupSize[0] = 512;
+ consts->MaxComputeVariableGroupSize[1] = 512;
+ consts->MaxComputeVariableGroupSize[2] = 64;
+ consts->MaxComputeVariableGroupInvocations = 512;
}
/* check that we don't exceed the size of various bitfields */
assert(VARYING_SLOT_MAX <=
- (8 * sizeof(ctx->VertexProgram._Current->Base.OutputsWritten)));
+ (8 * sizeof(ctx->VertexProgram._Current->info.outputs_written)));
assert(VARYING_SLOT_MAX <=
- (8 * sizeof(ctx->FragmentProgram._Current->Base.InputsRead)));
+ (8 * sizeof(ctx->FragmentProgram._Current->info.inputs_read)));
/* shader-related checks */
assert(ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxLocalParams <= MAX_PROGRAM_LOCAL_PARAMS);
/* Attribute Groups */
_mesa_init_accum( ctx );
_mesa_init_attrib( ctx );
+ _mesa_init_bbox( ctx );
_mesa_init_buffer_objects( ctx );
_mesa_init_color( ctx );
_mesa_init_current( ctx );
_mesa_init_depth( ctx );
_mesa_init_debug( ctx );
+ _mesa_init_debug_output( ctx );
_mesa_init_display_list( ctx );
- _mesa_init_errors( ctx );
_mesa_init_eval( ctx );
_mesa_init_fbobjects( ctx );
_mesa_init_feedback( ctx );
_mesa_init_fog( ctx );
_mesa_init_hint( ctx );
+ _mesa_init_image_units( ctx );
_mesa_init_line( ctx );
_mesa_init_lighting( ctx );
_mesa_init_matrix( ctx );
_mesa_init_multisample( ctx );
_mesa_init_performance_monitors( ctx );
+ _mesa_init_performance_queries( ctx );
_mesa_init_pipeline( ctx );
_mesa_init_pixel( ctx );
_mesa_init_pixelstore( ctx );
_mesa_init_transform_feedback( ctx );
_mesa_init_varray( ctx );
_mesa_init_viewport( ctx );
+ _mesa_init_resident_handles( ctx );
if (!_mesa_init_texture( ctx ))
return GL_FALSE;
- _mesa_init_texture_s3tc( ctx );
-
/* Miscellaneous */
+ ctx->TileRasterOrderIncreasingX = GL_TRUE;
+ ctx->TileRasterOrderIncreasingY = GL_TRUE;
ctx->NewState = _NEW_ALL;
ctx->NewDriverState = ~0;
ctx->ErrorValue = GL_NO_ERROR;
}
+/* 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"
* If there's no current OpenGL context for the calling thread, we can
* print a message to stderr.
*
- * \param name the name of the OpenGL function, without the "gl" prefix
+ * \param name the name of the OpenGL function
*/
+#if USE_GLAPI_NOP_FEATURES
static void
nop_handler(const char *name)
{
GET_CURRENT_CONTEXT(ctx);
if (ctx) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "gl%s(invalid call)", name);
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid call)", name);
}
#if defined(DEBUG)
else if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
}
#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
* functions will call nop_handler() above.
*/
-static struct _glapi_table *
-alloc_dispatch_table(void)
+struct _glapi_table *
+_mesa_alloc_dispatch_table(void)
{
/* Find the larger of Mesa's dispatch table and libGL's dispatch table.
* In practice, this'll be the same for stand-alone Mesa. But for DRI
- * Mesa we do this to accomodate different versions of libGL and various
+ * 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;
}
{
struct _glapi_table *table;
- table = alloc_dispatch_table();
+ table = _mesa_alloc_dispatch_table();
if (!table)
return NULL;
* Note that the driver needs to pass in its dd_function_table here since
* we need to at least call driverFunctions->NewTextureObject to create the
* default texture objects.
- *
+ *
* Called by _mesa_create_context().
*
* Performs the imports and exports callback tables initialization, and
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);
if (!init_attrib_groups( ctx ))
goto fail;
+ /* KHR_no_error is likely to crash, overflow memory, etc if an application
+ * has errors so don't enable it for setuid processes.
+ */
+ if (env_var_as_boolean("MESA_NO_ERROR", false)) {
+#if !defined(_WIN32)
+ if (geteuid() == getuid())
+#endif
+ ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR;
+ }
+
/* setup the API dispatch tables with all nop functions */
- ctx->OutsideBeginEnd = alloc_dispatch_table();
+ ctx->OutsideBeginEnd = _mesa_alloc_dispatch_table();
if (!ctx->OutsideBeginEnd)
goto fail;
ctx->Exec = ctx->OutsideBeginEnd;
- ctx->CurrentDispatch = ctx->OutsideBeginEnd;
+ ctx->CurrentClientDispatch = ctx->CurrentServerDispatch = ctx->OutsideBeginEnd;
ctx->FragmentProgram._MaintainTexEnvProgram
= (getenv("MESA_TEX_PROG") != NULL);
* _mesa_choose_tex_format().
*/
memset(&ctx->TextureFormatSupported, GL_TRUE,
- sizeof(ctx->TextureFormatSupported));
+ sizeof(ctx->TextureFormatSupported));
switch (ctx->API) {
case API_OPENGL_COMPAT:
ctx->BeginEnd = create_beginend_table(ctx);
- ctx->Save = alloc_dispatch_table();
+ ctx->Save = _mesa_alloc_dispatch_table();
if (!ctx->BeginEnd || !ctx->Save)
goto fail;
* "Initially all texture generation modes are set to REFLECTION_MAP_OES"
*/
for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
- texUnit->GenS.Mode = GL_REFLECTION_MAP_NV;
- texUnit->GenT.Mode = GL_REFLECTION_MAP_NV;
- texUnit->GenR.Mode = GL_REFLECTION_MAP_NV;
- texUnit->GenS._ModeBit = TEXGEN_REFLECTION_MAP_NV;
- texUnit->GenT._ModeBit = TEXGEN_REFLECTION_MAP_NV;
- texUnit->GenR._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+ texUnit->GenS.Mode = GL_REFLECTION_MAP_NV;
+ texUnit->GenT.Mode = GL_REFLECTION_MAP_NV;
+ texUnit->GenR.Mode = GL_REFLECTION_MAP_NV;
+ texUnit->GenS._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+ texUnit->GenT._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+ texUnit->GenR._ModeBit = TEXGEN_REFLECTION_MAP_NV;
}
break;
case API_OPENGLES2:
}
-/**
- * Allocate and initialize a struct gl_context structure.
- * Note that the driver needs to pass in its dd_function_table here since
- * we need to at least call driverFunctions->NewTextureObject to initialize
- * the rendering context.
- *
- * \param api the GL API type to create the context for
- * \param visual a struct gl_config pointer (we copy the struct contents) or
- * NULL to create a configless context
- * \param share_list another context to share display lists with or NULL
- * \param driverFunctions points to the dd_function_table into which the
- * driver has plugged in all its special functions.
- *
- * \return pointer to a new __struct gl_contextRec or NULL if error.
- */
-struct gl_context *
-_mesa_create_context(gl_api api,
- const struct gl_config *visual,
- struct gl_context *share_list,
- const struct dd_function_table *driverFunctions)
-{
- struct gl_context *ctx;
-
- ctx = calloc(1, sizeof(struct gl_context));
- if (!ctx)
- return NULL;
-
- if (_mesa_initialize_context(ctx, api, visual, share_list,
- driverFunctions)) {
- return ctx;
- }
- else {
- free(ctx);
- return NULL;
- }
-}
-
-
/**
* Free the data associated with the given context.
- *
+ *
* But doesn't free the struct gl_context struct itself.
*
* \sa _mesa_initialize_context() and init_attrib_groups().
_mesa_reference_framebuffer(&ctx->DrawBuffer, NULL);
_mesa_reference_framebuffer(&ctx->ReadBuffer, NULL);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, NULL);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, NULL);
+ _mesa_reference_program(ctx, &ctx->VertexProgram.Current, NULL);
+ _mesa_reference_program(ctx, &ctx->VertexProgram._Current, NULL);
+ _mesa_reference_program(ctx, &ctx->VertexProgram._TnlProgram, NULL);
+
+ _mesa_reference_program(ctx, &ctx->TessCtrlProgram._Current, NULL);
+ _mesa_reference_program(ctx, &ctx->TessEvalProgram._Current, NULL);
+ _mesa_reference_program(ctx, &ctx->GeometryProgram._Current, NULL);
- _mesa_reference_geomprog(ctx, &ctx->GeometryProgram.Current, NULL);
- _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
+ _mesa_reference_program(ctx, &ctx->FragmentProgram.Current, NULL);
+ _mesa_reference_program(ctx, &ctx->FragmentProgram._Current, NULL);
+ _mesa_reference_program(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL);
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, NULL);
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL);
+ _mesa_reference_program(ctx, &ctx->ComputeProgram._Current, NULL);
_mesa_reference_vao(ctx, &ctx->Array.VAO, NULL);
_mesa_reference_vao(ctx, &ctx->Array.DefaultVAO, NULL);
_mesa_free_varray_data(ctx);
_mesa_free_transform_feedback(ctx);
_mesa_free_performance_monitors(ctx);
+ _mesa_free_performance_queries(ctx);
+ _mesa_free_resident_handles(ctx);
_mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, NULL);
_mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, NULL);
free(ctx->BeginEnd);
free(ctx->OutsideBeginEnd);
free(ctx->Save);
+ free(ctx->ContextLost);
+ free(ctx->MarshalExec);
/* Shared context state (display lists, textures, etc) */
_mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
* Destroy a struct gl_context structure.
*
* \param ctx GL context.
- *
+ *
* Calls _mesa_free_context_data() and frees the gl_context object itself.
*/
void
/**
* Copy attribute groups from one context to another.
- *
+ *
* \param src source context
* \param dst destination context
* \param mask bitwise OR of GL_*_BIT flags
dst->Hint = src->Hint;
}
if (mask & GL_LIGHTING_BIT) {
- GLuint i;
- /* begin with memcpy */
+ /* OK to memcpy */
dst->Light = src->Light;
- /* fixup linked lists to prevent pointer insanity */
- make_empty_list( &(dst->Light.EnabledList) );
- for (i = 0; i < MAX_LIGHTS; i++) {
- if (dst->Light.Light[i].Enabled) {
- insert_at_tail(&(dst->Light.EnabledList), &(dst->Light.Light[i]));
- }
- }
}
if (mask & GL_LINE_BIT) {
/* OK to memcpy */
* Check if the given context can render into the given framebuffer
* by checking visual attributes.
*
- * Most of these tests could go away because Mesa is now pretty flexible
- * in terms of mixing rendering contexts with framebuffers. As long
- * as RGB vs. CI mode agree, we're probably good.
- *
* \return GL_TRUE if compatible, GL_FALSE otherwise.
*/
-static GLboolean
+static GLboolean
check_compatible(const struct gl_context *ctx,
const struct gl_framebuffer *buffer)
{
if (buffer == _mesa_get_incomplete_framebuffer())
return GL_TRUE;
-#if 0
- /* disabling this fixes the fgl_glxgears pbuffer demo */
- if (ctxvis->doubleBufferMode && !bufvis->doubleBufferMode)
- return GL_FALSE;
-#endif
- if (ctxvis->stereoMode && !bufvis->stereoMode)
- return GL_FALSE;
- if (ctxvis->haveAccumBuffer && !bufvis->haveAccumBuffer)
- return GL_FALSE;
- if (ctxvis->haveDepthBuffer && !bufvis->haveDepthBuffer)
- return GL_FALSE;
- if (ctxvis->haveStencilBuffer && !bufvis->haveStencilBuffer)
- return GL_FALSE;
- if (ctxvis->redMask && ctxvis->redMask != bufvis->redMask)
- return GL_FALSE;
- if (ctxvis->greenMask && ctxvis->greenMask != bufvis->greenMask)
- return GL_FALSE;
- if (ctxvis->blueMask && ctxvis->blueMask != bufvis->blueMask)
- return GL_FALSE;
-#if 0
- /* disabled (see bug 11161) */
- if (ctxvis->depthBits && ctxvis->depthBits != bufvis->depthBits)
- return GL_FALSE;
-#endif
- if (ctxvis->stencilBits && ctxvis->stencilBits != bufvis->stencilBits)
- return GL_FALSE;
+#define check_component(foo) \
+ if (ctxvis->foo && bufvis->foo && \
+ ctxvis->foo != bufvis->foo) \
+ return GL_FALSE
+
+ check_component(redMask);
+ check_component(greenMask);
+ check_component(blueMask);
+ check_component(depthBits);
+ check_component(stencilBits);
+
+#undef check_component
return GL_TRUE;
}
* Check if the viewport/scissor size has not yet been initialized.
* Initialize the size if the given width and height are non-zero.
*/
-void
-_mesa_check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height)
+static void
+check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height)
{
if (!ctx->ViewportInitialized && width > 0 && height > 0) {
unsigned i;
}
}
+
static void
handle_first_current(struct gl_context *ctx)
{
- GLenum buffer;
- GLint bufferIndex;
-
- if (ctx->Version == 0) {
+ if (ctx->Version == 0 || !ctx->DrawBuffer) {
/* probably in the process of tearing down the context */
return;
}
/* According to GL_MESA_configless_context the default value of
* glDrawBuffers depends on the config of the first surface it is bound to.
- * For GLES it is always GL_BACK which has a magic interpretation */
+ * For GLES it is always GL_BACK which has a magic interpretation.
+ */
if (!ctx->HasConfig && _mesa_is_desktop_gl(ctx)) {
if (ctx->DrawBuffer != _mesa_get_incomplete_framebuffer()) {
+ GLenum buffer;
+
if (ctx->DrawBuffer->Visual.doubleBufferMode)
buffer = GL_BACK;
else
buffer = GL_FRONT;
- _mesa_drawbuffers(ctx, 1, &buffer, NULL /* destMask */);
+ _mesa_drawbuffers(ctx, ctx->DrawBuffer, 1, &buffer,
+ NULL /* destMask */);
}
if (ctx->ReadBuffer != _mesa_get_incomplete_framebuffer()) {
+ gl_buffer_index bufferIndex;
+ GLenum buffer;
+
if (ctx->ReadBuffer->Visual.doubleBufferMode) {
buffer = GL_BACK;
bufferIndex = BUFFER_BACK_LEFT;
bufferIndex = BUFFER_FRONT_LEFT;
}
- _mesa_readbuffer(ctx, buffer, bufferIndex);
+ _mesa_readbuffer(ctx, ctx->ReadBuffer, buffer, bufferIndex);
}
}
+ /* Determine if generic vertex attribute 0 aliases the conventional
+ * glVertex position.
+ */
+ {
+ const bool is_forward_compatible_context =
+ ctx->Const.ContextFlags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
+
+ /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
+ * 2.0. Note that we cannot just check for API_OPENGL_COMPAT here because
+ * that will erroneously allow this usage in a 3.0 forward-compatible
+ * context too.
+ */
+ ctx->_AttribZeroAliasesVertex = (ctx->API == API_OPENGLES
+ || (ctx->API == API_OPENGL_COMPAT
+ && !is_forward_compatible_context));
+ }
+
/* We can use this to help debug user's problems. Tell them to set
* the MESA_INFO env variable before running their app. Then the
* first time each context is made current we'll print some useful
}
}
- if (curCtx &&
+ if (curCtx &&
(curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) &&
/* make sure this context is valid for flushing */
curCtx != newCtx &&
curCtx->Const.ContextReleaseBehavior ==
- GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH)
+ GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH) {
_mesa_flush(curCtx);
+ }
/* We used to call _glapi_check_multithread() here. Now do it in drivers */
- _glapi_set_context((void *) newCtx);
- assert(_mesa_get_current_context() == newCtx);
if (!newCtx) {
_glapi_set_dispatch(NULL); /* none current */
+ /* We need old ctx to correctly release Draw/ReadBuffer
+ * and avoid a surface leak in st_renderbuffer_delete.
+ * Therefore, first drop buffers then set new ctx to NULL.
+ */
+ if (curCtx) {
+ _mesa_reference_framebuffer(&curCtx->WinSysDrawBuffer, NULL);
+ _mesa_reference_framebuffer(&curCtx->WinSysReadBuffer, NULL);
+ }
+ _glapi_set_context(NULL);
+ assert(_mesa_get_current_context() == NULL);
}
else {
- _glapi_set_dispatch(newCtx->CurrentDispatch);
+ _glapi_set_context((void *) newCtx);
+ assert(_mesa_get_current_context() == newCtx);
+ _glapi_set_dispatch(newCtx->CurrentClientDispatch);
if (drawBuffer && readBuffer) {
assert(_mesa_is_winsys_fbo(drawBuffer));
}
if (!newCtx->ReadBuffer || _mesa_is_winsys_fbo(newCtx->ReadBuffer)) {
_mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
+ /* In _mesa_initialize_window_framebuffer, for single-buffered
+ * visuals, the ColorReadBuffer is set to be GL_FRONT, even with
+ * GLES contexts. When calling read_buffer, we verify we are reading
+ * from GL_BACK in is_legal_es3_readbuffer_enum. But the default is
+ * incorrect, and certain dEQP tests check this. So fix it here.
+ */
+ if (_mesa_is_gles(newCtx) &&
+ !newCtx->ReadBuffer->Visual.doubleBufferMode)
+ if (newCtx->ReadBuffer->ColorReadBuffer == GL_FRONT)
+ newCtx->ReadBuffer->ColorReadBuffer = GL_BACK;
}
/* XXX only set this flag if we're really changing the draw/read
* framebuffer bindings.
*/
- newCtx->NewState |= _NEW_BUFFERS;
+ newCtx->NewState |= _NEW_BUFFERS;
- if (drawBuffer) {
- _mesa_check_init_viewport(newCtx,
- drawBuffer->Width, drawBuffer->Height);
- }
+ check_init_viewport(newCtx, drawBuffer->Width, drawBuffer->Height);
}
if (newCtx->FirstTimeCurrent) {
handle_first_current(newCtx);
- newCtx->FirstTimeCurrent = GL_FALSE;
+ newCtx->FirstTimeCurrent = GL_FALSE;
}
}
-
+
return GL_TRUE;
}
/**
* \return pointer to the current GL context for this thread.
- *
+ *
* Calls _glapi_get_context(). This isn't the fastest way to get the current
* context. If you need speed, see the #GET_CURRENT_CONTEXT macro in
* context.h.
/**
* Get context's current API dispatch table.
*
- * It'll either be the immediate-mode execute dispatcher or the display list
- * compile dispatcher.
- *
+ * It'll either be the immediate-mode execute dispatcher, the display list
+ * compile dispatcher, or the thread marshalling dispatcher.
+ *
* \param ctx GL context.
*
* \return pointer to dispatch_table.
*
- * Simply returns __struct gl_contextRec::CurrentDispatch.
+ * Simply returns __struct gl_contextRec::CurrentClientDispatch.
*/
struct _glapi_table *
_mesa_get_dispatch(struct gl_context *ctx)
{
- return ctx->CurrentDispatch;
+ return ctx->CurrentClientDispatch;
}
/*@}*/
*
* \param ctx GL context.
* \param error error code.
- *
+ *
* Records the given error code and call the driver's dd_function_table::Error
* function if defined.
*
}
-/**
- * Flush commands and wait for completion.
- */
-void
-_mesa_finish(struct gl_context *ctx)
-{
- FLUSH_VERTICES( ctx, 0 );
- FLUSH_CURRENT( ctx, 0 );
- if (ctx->Driver.Finish) {
- ctx->Driver.Finish(ctx);
- }
-}
-
-
/**
* Flush commands.
*/
/**
- * Execute glFinish().
+ * Flush commands and wait for completion.
*
* Calls the #ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH macro and the
* dd_function_table::Finish driver callback, if not NULL.
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- _mesa_finish(ctx);
+
+ FLUSH_VERTICES(ctx, 0);
+ FLUSH_CURRENT(ctx, 0);
+
+ if (ctx->Driver.Finish) {
+ ctx->Driver.Finish(ctx);
+ }
}
}
-/*
- * ARB_blend_func_extended - ERRORS section
- * "The error INVALID_OPERATION is generated by Begin or any procedure that
- * implicitly calls Begin if any draw buffer has a blend function requiring the
- * second color input (SRC1_COLOR, ONE_MINUS_SRC1_COLOR, SRC1_ALPHA or
- * ONE_MINUS_SRC1_ALPHA), and a framebuffer is bound that has more than
- * the value of MAX_DUAL_SOURCE_DRAW_BUFFERS-1 active color attachements."
- */
-static GLboolean
-_mesa_check_blend_func_error(struct gl_context *ctx)
-{
- GLuint i;
- for (i = ctx->Const.MaxDualSourceDrawBuffers;
- i < ctx->DrawBuffer->_NumColorDrawBuffers;
- i++) {
- if (ctx->Color.Blend[i]._UsesDualSrc) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "dual source blend on illegal attachment");
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-static bool
-shader_linked_or_absent(struct gl_context *ctx,
- const struct gl_shader_program *shProg,
- bool *shader_present, const char *where)
-{
- if (shProg) {
- *shader_present = true;
-
- if (!shProg->LinkStatus) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where);
- return false;
- }
-#if 0 /* not normally enabled */
- {
- char errMsg[100];
- if (!_mesa_validate_shader_program(ctx, shProg, errMsg)) {
- _mesa_warning(ctx, "Shader program %u is invalid: %s",
- shProg->Name, errMsg);
- }
- }
-#endif
- }
-
- return true;
-}
-
-/**
- * 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.
- * It also check the current pipeline object is valid if any.
- * 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(struct gl_context *ctx, const char *where)
-{
- unsigned i;
-
- /* This depends on having up to date derived state (shaders) */
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
- if (ctx->API == API_OPENGL_CORE || ctx->API == API_OPENGLES2) {
- bool from_glsl_shader[MESA_SHADER_COMPUTE] = { false };
-
- for (i = 0; i < MESA_SHADER_COMPUTE; i++) {
- if (!shader_linked_or_absent(ctx, ctx->_Shader->CurrentProgram[i],
- &from_glsl_shader[i], where))
- return GL_FALSE;
- }
-
- /* In OpenGL Core Profile and OpenGL ES 2.0 / 3.0, there are no assembly
- * shaders. Don't check state related to those.
- */
- } else {
- bool has_vertex_shader = false;
- bool has_fragment_shader = false;
-
- /* In OpenGL Compatibility Profile, there is only vertex shader and
- * fragment shader. We take this path also for API_OPENGLES because
- * optimizing that path would make the other (more common) paths
- * slightly slower.
- */
- if (!shader_linked_or_absent(ctx,
- ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX],
- &has_vertex_shader, where))
- return GL_FALSE;
-
- if (!shader_linked_or_absent(ctx,
- ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT],
- &has_fragment_shader, where))
- return GL_FALSE;
-
- /* Any shader stages that are not supplied by the GLSL shader and have
- * assembly shaders enabled must now be validated.
- */
- if (!has_vertex_shader
- && ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(vertex program not valid)", where);
- return GL_FALSE;
- }
-
- if (!has_fragment_shader) {
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(fragment program not valid)", where);
- return GL_FALSE;
- }
-
- /* If drawing to integer-valued color buffers, there must be an
- * active fragment shader (GL_EXT_texture_integer).
- */
- if (ctx->DrawBuffer && ctx->DrawBuffer->_IntegerColor) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(integer format but no fragment shader)", where);
- return GL_FALSE;
- }
- }
- }
-
- /* A pipeline object is bound */
- if (ctx->_Shader->Name && !ctx->_Shader->Validated) {
- /* Error message will be printed inside _mesa_validate_program_pipeline.
- */
- if (!_mesa_validate_program_pipeline(ctx, ctx->_Shader, GL_TRUE)) {
- return GL_FALSE;
- }
- }
-
- /* If a program is active and SSO not in use, check if validation of
- * samplers succeeded for the active program. */
- if (ctx->_Shader->ActiveProgram && ctx->_Shader != ctx->Pipeline.Current) {
- char errMsg[100];
- if (!_mesa_sampler_uniforms_are_valid(ctx->_Shader->ActiveProgram,
- errMsg, 100)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", errMsg);
- 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;
- }
-
- if (_mesa_check_blend_func_error(ctx) == GL_FALSE) {
- return GL_FALSE;
- }
-
-#ifdef DEBUG
- if (ctx->_Shader->Flags & GLSL_LOG) {
- struct gl_shader_program **shProg = ctx->_Shader->CurrentProgram;
- gl_shader_stage i;
-
- for (i = 0; i < MESA_SHADER_STAGES; i++) {
- if (shProg[i] == NULL || shProg[i]->_Used
- || shProg[i]->_LinkedShaders[i] == NULL)
- continue;
-
- /* This is the first time this shader is being used.
- * Append shader's constants/uniforms to log file.
- *
- * Only log data for the program target that matches the shader
- * target. It's possible to have a program bound to the vertex
- * shader target that also supplied a fragment shader. If that
- * program isn't also bound to the fragment shader target we don't
- * want to log its fragment data.
- */
- _mesa_append_uniforms_to_file(shProg[i]->_LinkedShaders[i]);
- }
-
- for (i = 0; i < MESA_SHADER_STAGES; i++) {
- if (shProg[i] != NULL)
- shProg[i]->_Used = GL_TRUE;
- }
- }
-#endif
-
- return GL_TRUE;
-}
-
-
/*@}*/
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