X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fcontext.c;h=4b5b694a7fb21c60574d882f399278d4159d50de;hb=60e3bfddaf6ab4f8385561654dfe4e0034d8bc9d;hp=50aae8bf6fa9da2e476726ccc7d067826b33c542;hpb=176b64b81104bffed114a0bdd919338e1e54ed19;p=mesa.git diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 50aae8bf6fa..4b5b694a7fb 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -133,6 +133,7 @@ #include "program/prog_print.h" #include "math/m_matrix.h" #include "main/dispatch.h" /* for _gloffset_COUNT */ +#include "uniforms.h" #ifdef USE_SPARC_ASM #include "sparc/sparc.h" @@ -464,7 +465,7 @@ _mesa_init_current(struct gl_context *ctx) * Important: drivers should override these with actual limits. */ static void -init_program_limits(struct gl_context *ctx, gl_shader_stage stage, +init_program_limits(struct gl_constants *consts, gl_shader_stage stage, struct gl_program_constants *prog) { prog->MaxInstructions = MAX_PROGRAM_INSTRUCTIONS; @@ -546,7 +547,7 @@ init_program_limits(struct gl_context *ctx, gl_shader_stage stage, prog->MaxUniformBlocks = 12; prog->MaxCombinedUniformComponents = (prog->MaxUniformComponents + - ctx->Const.MaxUniformBlockSize / 4 * + consts->MaxUniformBlockSize / 4 * prog->MaxUniformBlocks); prog->MaxAtomicBuffers = 0; @@ -559,161 +560,168 @@ init_program_limits(struct gl_context *ctx, gl_shader_stage stage, * Use defaults from config.h. The device drivers will often override * some of these values (such as number of texture units). */ -static void -_mesa_init_constants(struct gl_context *ctx) +void +_mesa_init_constants(struct gl_constants *consts, gl_api api) { int i; - assert(ctx); + assert(consts); /* Constants, may be overriden (usually only reduced) by device drivers */ - ctx->Const.MaxTextureMbytes = MAX_TEXTURE_MBYTES; - ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS; - ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS; - ctx->Const.MaxCubeTextureLevels = MAX_CUBE_TEXTURE_LEVELS; - ctx->Const.MaxTextureRectSize = MAX_TEXTURE_RECT_SIZE; - ctx->Const.MaxArrayTextureLayers = MAX_ARRAY_TEXTURE_LAYERS; - ctx->Const.MaxTextureCoordUnits = MAX_TEXTURE_COORD_UNITS; - ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; - ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits, - ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits); - ctx->Const.MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY; - ctx->Const.MaxTextureLodBias = MAX_TEXTURE_LOD_BIAS; - ctx->Const.MaxTextureBufferSize = 65536; - ctx->Const.TextureBufferOffsetAlignment = 1; - ctx->Const.MaxArrayLockSize = MAX_ARRAY_LOCK_SIZE; - ctx->Const.SubPixelBits = SUB_PIXEL_BITS; - ctx->Const.MinPointSize = MIN_POINT_SIZE; - ctx->Const.MaxPointSize = MAX_POINT_SIZE; - ctx->Const.MinPointSizeAA = MIN_POINT_SIZE; - ctx->Const.MaxPointSizeAA = MAX_POINT_SIZE; - ctx->Const.PointSizeGranularity = (GLfloat) POINT_SIZE_GRANULARITY; - ctx->Const.MinLineWidth = MIN_LINE_WIDTH; - ctx->Const.MaxLineWidth = MAX_LINE_WIDTH; - ctx->Const.MinLineWidthAA = MIN_LINE_WIDTH; - ctx->Const.MaxLineWidthAA = MAX_LINE_WIDTH; - ctx->Const.LineWidthGranularity = (GLfloat) LINE_WIDTH_GRANULARITY; - ctx->Const.MaxClipPlanes = 6; - ctx->Const.MaxLights = MAX_LIGHTS; - ctx->Const.MaxShininess = 128.0; - ctx->Const.MaxSpotExponent = 128.0; - ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH; - ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT; - ctx->Const.MinMapBufferAlignment = 64; + consts->MaxTextureMbytes = MAX_TEXTURE_MBYTES; + consts->MaxTextureLevels = MAX_TEXTURE_LEVELS; + consts->Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS; + consts->MaxCubeTextureLevels = MAX_CUBE_TEXTURE_LEVELS; + consts->MaxTextureRectSize = MAX_TEXTURE_RECT_SIZE; + consts->MaxArrayTextureLayers = MAX_ARRAY_TEXTURE_LAYERS; + consts->MaxTextureCoordUnits = MAX_TEXTURE_COORD_UNITS; + consts->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; + consts->MaxTextureUnits = MIN2(consts->MaxTextureCoordUnits, + consts->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits); + consts->MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY; + consts->MaxTextureLodBias = MAX_TEXTURE_LOD_BIAS; + consts->MaxTextureBufferSize = 65536; + consts->TextureBufferOffsetAlignment = 1; + consts->MaxArrayLockSize = MAX_ARRAY_LOCK_SIZE; + consts->SubPixelBits = SUB_PIXEL_BITS; + consts->MinPointSize = MIN_POINT_SIZE; + consts->MaxPointSize = MAX_POINT_SIZE; + consts->MinPointSizeAA = MIN_POINT_SIZE; + consts->MaxPointSizeAA = MAX_POINT_SIZE; + consts->PointSizeGranularity = (GLfloat) POINT_SIZE_GRANULARITY; + consts->MinLineWidth = MIN_LINE_WIDTH; + consts->MaxLineWidth = MAX_LINE_WIDTH; + consts->MinLineWidthAA = MIN_LINE_WIDTH; + consts->MaxLineWidthAA = MAX_LINE_WIDTH; + consts->LineWidthGranularity = (GLfloat) LINE_WIDTH_GRANULARITY; + consts->MaxClipPlanes = 6; + consts->MaxLights = MAX_LIGHTS; + consts->MaxShininess = 128.0; + consts->MaxSpotExponent = 128.0; + consts->MaxViewportWidth = MAX_VIEWPORT_WIDTH; + consts->MaxViewportHeight = MAX_VIEWPORT_HEIGHT; + consts->MinMapBufferAlignment = 64; /* Driver must override these values if ARB_viewport_array is supported. */ - ctx->Const.MaxViewports = 1; - ctx->Const.ViewportSubpixelBits = 0; - ctx->Const.ViewportBounds.Min = 0; - ctx->Const.ViewportBounds.Max = 0; + consts->MaxViewports = 1; + consts->ViewportSubpixelBits = 0; + consts->ViewportBounds.Min = 0; + consts->ViewportBounds.Max = 0; /** GL_ARB_uniform_buffer_object */ - ctx->Const.MaxCombinedUniformBlocks = 36; - ctx->Const.MaxUniformBufferBindings = 36; - ctx->Const.MaxUniformBlockSize = 16384; - ctx->Const.UniformBufferOffsetAlignment = 1; + consts->MaxCombinedUniformBlocks = 36; + consts->MaxUniformBufferBindings = 36; + consts->MaxUniformBlockSize = 16384; + consts->UniformBufferOffsetAlignment = 1; /* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */ - ctx->Const.MaxUserAssignableUniformLocations = + consts->MaxUserAssignableUniformLocations = 4 * MESA_SHADER_STAGES * MAX_UNIFORMS; for (i = 0; i < MESA_SHADER_STAGES; i++) - init_program_limits(ctx, i, &ctx->Const.Program[i]); + init_program_limits(consts, i, &consts->Program[i]); - ctx->Const.MaxProgramMatrices = MAX_PROGRAM_MATRICES; - ctx->Const.MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH; + consts->MaxProgramMatrices = MAX_PROGRAM_MATRICES; + consts->MaxProgramMatrixStackDepth = MAX_PROGRAM_MATRIX_STACK_DEPTH; - /* CheckArrayBounds is overriden by drivers/x11 for X server */ - ctx->Const.CheckArrayBounds = GL_FALSE; + /* Assume that if GLSL 1.30+ (or GLSL ES 3.00+) is supported that + * gl_VertexID is implemented using a native hardware register with OpenGL + * semantics. + */ + consts->VertexID_is_zero_based = false; /* GL_ARB_draw_buffers */ - ctx->Const.MaxDrawBuffers = MAX_DRAW_BUFFERS; + consts->MaxDrawBuffers = MAX_DRAW_BUFFERS; - ctx->Const.MaxColorAttachments = MAX_COLOR_ATTACHMENTS; - ctx->Const.MaxRenderbufferSize = MAX_RENDERBUFFER_SIZE; + consts->MaxColorAttachments = MAX_COLOR_ATTACHMENTS; + consts->MaxRenderbufferSize = MAX_RENDERBUFFER_SIZE; - ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; - ctx->Const.MaxCombinedTextureImageUnits = MAX_COMBINED_TEXTURE_IMAGE_UNITS; - ctx->Const.MaxVarying = 16; /* old limit not to break tnl and swrast */ - ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; - ctx->Const.MaxGeometryOutputVertices = MAX_GEOMETRY_OUTPUT_VERTICES; - ctx->Const.MaxGeometryTotalOutputComponents = MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS; + consts->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; + consts->MaxCombinedTextureImageUnits = MAX_COMBINED_TEXTURE_IMAGE_UNITS; + consts->MaxVarying = 16; /* old limit not to break tnl and swrast */ + consts->Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = MAX_TEXTURE_IMAGE_UNITS; + consts->MaxGeometryOutputVertices = MAX_GEOMETRY_OUTPUT_VERTICES; + consts->MaxGeometryTotalOutputComponents = MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS; /* Shading language version */ - if (_mesa_is_desktop_gl(ctx)) { - ctx->Const.GLSLVersion = 120; - _mesa_override_glsl_version(ctx); - } - else if (ctx->API == API_OPENGLES2) { - ctx->Const.GLSLVersion = 100; - } - else if (ctx->API == API_OPENGLES) { - ctx->Const.GLSLVersion = 0; /* GLSL not supported */ - } + consts->GLSLVersion = 120; + _mesa_override_glsl_version(consts); + +#ifdef DEBUG + consts->GenerateTemporaryNames = true; +#else + consts->GenerateTemporaryNames = false; +#endif /* GL_ARB_framebuffer_object */ - ctx->Const.MaxSamples = 0; + consts->MaxSamples = 0; + + /* GLSL default if NativeIntegers == FALSE */ + consts->UniformBooleanTrue = FLT_AS_UINT(1.0f); /* GL_ARB_sync */ - ctx->Const.MaxServerWaitTimeout = 0x1fff7fffffffULL; + consts->MaxServerWaitTimeout = 0x1fff7fffffffULL; /* GL_EXT_provoking_vertex */ - ctx->Const.QuadsFollowProvokingVertexConvention = GL_TRUE; + consts->QuadsFollowProvokingVertexConvention = GL_TRUE; /* GL_EXT_transform_feedback */ - ctx->Const.MaxTransformFeedbackBuffers = MAX_FEEDBACK_BUFFERS; - ctx->Const.MaxTransformFeedbackSeparateComponents = 4 * MAX_FEEDBACK_ATTRIBS; - ctx->Const.MaxTransformFeedbackInterleavedComponents = 4 * MAX_FEEDBACK_ATTRIBS; - ctx->Const.MaxVertexStreams = 1; + consts->MaxTransformFeedbackBuffers = MAX_FEEDBACK_BUFFERS; + consts->MaxTransformFeedbackSeparateComponents = 4 * MAX_FEEDBACK_ATTRIBS; + consts->MaxTransformFeedbackInterleavedComponents = 4 * MAX_FEEDBACK_ATTRIBS; + consts->MaxVertexStreams = 1; /* GL 3.2 */ - ctx->Const.ProfileMask = ctx->API == API_OPENGL_CORE + consts->ProfileMask = api == API_OPENGL_CORE ? GL_CONTEXT_CORE_PROFILE_BIT : GL_CONTEXT_COMPATIBILITY_PROFILE_BIT; + /* GL 4.4 */ + consts->MaxVertexAttribStride = 2048; + /** GL_EXT_gpu_shader4 */ - ctx->Const.MinProgramTexelOffset = -8; - ctx->Const.MaxProgramTexelOffset = 7; + consts->MinProgramTexelOffset = -8; + consts->MaxProgramTexelOffset = 7; /* GL_ARB_texture_gather */ - ctx->Const.MinProgramTextureGatherOffset = -8; - ctx->Const.MaxProgramTextureGatherOffset = 7; + consts->MinProgramTextureGatherOffset = -8; + consts->MaxProgramTextureGatherOffset = 7; /* GL_ARB_robustness */ - ctx->Const.ResetStrategy = GL_NO_RESET_NOTIFICATION_ARB; - - /* PrimitiveRestart */ - ctx->Const.PrimitiveRestartInSoftware = GL_FALSE; + consts->ResetStrategy = GL_NO_RESET_NOTIFICATION_ARB; /* ES 3.0 or ARB_ES3_compatibility */ - ctx->Const.MaxElementIndex = 0xffffffffu; + consts->MaxElementIndex = 0xffffffffu; /* GL_ARB_texture_multisample */ - ctx->Const.MaxColorTextureSamples = 1; - ctx->Const.MaxDepthTextureSamples = 1; - ctx->Const.MaxIntegerSamples = 1; + consts->MaxColorTextureSamples = 1; + consts->MaxDepthTextureSamples = 1; + consts->MaxIntegerSamples = 1; /* GL_ARB_shader_atomic_counters */ - ctx->Const.MaxAtomicBufferBindings = MAX_COMBINED_ATOMIC_BUFFERS; - ctx->Const.MaxAtomicBufferSize = MAX_ATOMIC_COUNTERS * ATOMIC_COUNTER_SIZE; - ctx->Const.MaxCombinedAtomicBuffers = MAX_COMBINED_ATOMIC_BUFFERS; - ctx->Const.MaxCombinedAtomicCounters = MAX_ATOMIC_COUNTERS; + consts->MaxAtomicBufferBindings = MAX_COMBINED_ATOMIC_BUFFERS; + consts->MaxAtomicBufferSize = MAX_ATOMIC_COUNTERS * ATOMIC_COUNTER_SIZE; + consts->MaxCombinedAtomicBuffers = MAX_COMBINED_ATOMIC_BUFFERS; + consts->MaxCombinedAtomicCounters = MAX_ATOMIC_COUNTERS; /* GL_ARB_vertex_attrib_binding */ - ctx->Const.MaxVertexAttribRelativeOffset = 2047; - ctx->Const.MaxVertexAttribBindings = MAX_VERTEX_GENERIC_ATTRIBS; + consts->MaxVertexAttribRelativeOffset = 2047; + consts->MaxVertexAttribBindings = MAX_VERTEX_GENERIC_ATTRIBS; /* GL_ARB_compute_shader */ - ctx->Const.MaxComputeWorkGroupCount[0] = 65535; - ctx->Const.MaxComputeWorkGroupCount[1] = 65535; - ctx->Const.MaxComputeWorkGroupCount[2] = 65535; - ctx->Const.MaxComputeWorkGroupSize[0] = 1024; - ctx->Const.MaxComputeWorkGroupSize[1] = 1024; - ctx->Const.MaxComputeWorkGroupSize[2] = 64; - ctx->Const.MaxComputeWorkGroupInvocations = 1024; + consts->MaxComputeWorkGroupCount[0] = 65535; + consts->MaxComputeWorkGroupCount[1] = 65535; + consts->MaxComputeWorkGroupCount[2] = 65535; + consts->MaxComputeWorkGroupSize[0] = 1024; + consts->MaxComputeWorkGroupSize[1] = 1024; + consts->MaxComputeWorkGroupSize[2] = 64; + consts->MaxComputeWorkGroupInvocations = 1024; /** GL_ARB_gpu_shader5 */ - ctx->Const.MinFragmentInterpolationOffset = MIN_FRAGMENT_INTERPOLATION_OFFSET; - ctx->Const.MaxFragmentInterpolationOffset = MAX_FRAGMENT_INTERPOLATION_OFFSET; + consts->MinFragmentInterpolationOffset = MIN_FRAGMENT_INTERPOLATION_OFFSET; + consts->MaxFragmentInterpolationOffset = MAX_FRAGMENT_INTERPOLATION_OFFSET; + + /** GL_KHR_context_flush_control */ + consts->ContextReleaseBehavior = GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH; } @@ -724,6 +732,8 @@ _mesa_init_constants(struct gl_context *ctx) static void check_context_limits(struct gl_context *ctx) { + (void) ctx; + /* check that we don't exceed the size of various bitfields */ assert(VARYING_SLOT_MAX <= (8 * sizeof(ctx->VertexProgram._Current->Base.OutputsWritten))); @@ -790,10 +800,10 @@ init_attrib_groups(struct gl_context *ctx) assert(ctx); /* Constants */ - _mesa_init_constants( ctx ); + _mesa_init_constants(&ctx->Const, ctx->API); /* Extensions */ - _mesa_init_extensions( ctx ); + _mesa_init_extensions(&ctx->Extensions); /* Attribute Groups */ _mesa_init_accum( ctx ); @@ -887,10 +897,27 @@ _mesa_generic_nop(void) /** - * Allocate and initialize a new dispatch table. + * Special no-op glFlush, see below. + */ +#if defined(_WIN32) +static void GLAPIENTRY +nop_glFlush(void) +{ + /* don't record an error like we do in _mesa_generic_nop() */ +} +#endif + + +extern void (*__glapi_noop_table[])(void); + + +/** + * Allocate and initialize a new dispatch table. All the dispatch + * function pointers will point at the _mesa_generic_nop() function + * which raises GL_INVALID_OPERATION. */ struct _glapi_table * -_mesa_alloc_dispatch_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 @@ -905,8 +932,34 @@ _mesa_alloc_dispatch_table() _glapi_proc *entry = (_glapi_proc *) table; GLint i; for (i = 0; i < numEntries; i++) { +#if defined(_WIN32) + /* FIXME: This will not generate an error, but at least it won't + * corrupt the stack like _mesa_generic_nop does. */ + entry[i] = __glapi_noop_table[i]; +#else entry[i] = (_glapi_proc) _mesa_generic_nop; +#endif } + +#if defined(_WIN32) + /* This is a special case for Windows in the event that + * wglGetProcAddress is called between glBegin/End(). + * + * The MS opengl32.dll library apparently calls glFlush from + * wglGetProcAddress(). If we're inside glBegin/End(), glFlush + * will dispatch to _mesa_generic_nop() and we'll generate a + * GL_INVALID_OPERATION error. + * + * The specific case which hits this is piglit's primitive-restart + * test which calls glPrimitiveRestartNV() inside glBegin/End. The + * first time we call glPrimitiveRestartNV() Piglit's API dispatch + * code will try to resolve the function by calling wglGetProcAddress. + * This raises GL_INVALID_OPERATION and an assert(glGetError()==0) + * will fail causing the test to fail. By suppressing the error, the + * assertion passes and the test continues. + */ + SET_Flush(table, nop_glFlush); +#endif } return table; } @@ -1089,10 +1142,10 @@ _mesa_initialize_context(struct gl_context *ctx, ctx->CurrentDispatch = ctx->OutsideBeginEnd; ctx->FragmentProgram._MaintainTexEnvProgram - = (_mesa_getenv("MESA_TEX_PROG") != NULL); + = (getenv("MESA_TEX_PROG") != NULL); ctx->VertexProgram._MaintainTnlProgram - = (_mesa_getenv("MESA_TNL_PROG") != NULL); + = (getenv("MESA_TNL_PROG") != NULL); if (ctx->VertexProgram._MaintainTnlProgram) { /* this is required... */ ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; @@ -1495,7 +1548,10 @@ handle_first_current(struct gl_context *ctx) GLenum buffer; GLint bufferIndex; - assert(ctx->Version > 0); + if (ctx->Version == 0) { + /* probably in the process of tearing down the context */ + return; + } ctx->Extensions.String = _mesa_make_extension_string(ctx); @@ -1533,7 +1589,7 @@ handle_first_current(struct gl_context *ctx) * first time each context is made current we'll print some useful * information. */ - if (_mesa_getenv("MESA_INFO")) { + if (getenv("MESA_INFO")) { _mesa_print_info(ctx); } } @@ -1580,9 +1636,11 @@ _mesa_make_current( struct gl_context *newCtx, } if (curCtx && - (curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) && + (curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) && /* make sure this context is valid for flushing */ - curCtx != newCtx) + curCtx != newCtx && + curCtx->Const.ContextReleaseBehavior == + GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH) _mesa_flush(curCtx); /* We used to call _glapi_check_multithread() here. Now do it in drivers */ @@ -1908,6 +1966,17 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) } } + /* 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);