GLboolean
i830CreateContext(const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct i830_context *i830 = CALLOC_STRUCT(i830_context);
struct intel_context *intel = &i830->intel;
GLcontext *ctx = &intel->ctx;
if (!i830)
return GL_FALSE;
i830InitVtbl(i830);
i830InitDriverFunctions(&functions);
if (!intelInitContext(intel, __DRI_API_OPENGL, mesaVis, driContextPriv,
sharedContextPrivate, &functions)) {
FREE(i830);
return GL_FALSE;
}
_math_matrix_ctr(&intel->ViewportMatrix);
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
intelInitTriFuncs(ctx);
/* Install the customized pipeline: */
_tnl_destroy_pipeline(ctx);
_tnl_install_pipeline(ctx, intel_pipeline);
if (intel->no_rast)
FALLBACK(intel, INTEL_FALLBACK_USER, 1);
intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS;
intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS;
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
*/
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 11;
ctx->Const.MaxTextureRectSize = (1 << 11);
ctx->Const.MaxTextureUnits = I830_TEX_UNITS;
ctx->Const.MaxTextureMaxAnisotropy = 2.0;
ctx->Const.MaxDrawBuffers = 1;
_tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12,
18 * sizeof(GLfloat));
intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
i830InitState(i830);
_tnl_allow_vertex_fog(ctx, 1);
_tnl_allow_pixel_fog(ctx, 0);
return GL_TRUE;
}
bool
brwCreateContext(int api,
const struct gl_config *mesaVis,
__DRIcontext *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct brw_context *brw = rzalloc(NULL, struct brw_context);
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
unsigned i;
if (!brw) {
printf("%s: failed to alloc context\n", __FUNCTION__);
return false;
}
brwInitDriverFunctions( &functions );
if (!intelInitContext( intel, api, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
printf("%s: failed to init intel context\n", __FUNCTION__);
FREE(brw);
return false;
}
brwInitVtbl( brw );
brw_init_surface_formats(brw);
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits,
ctx->Const.MaxTextureImageUnits);
ctx->Const.MaxVertexTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxCombinedTextureImageUnits =
ctx->Const.MaxVertexTextureImageUnits +
ctx->Const.MaxTextureImageUnits;
ctx->Const.MaxTextureLevels = 14; /* 8192 */
if (ctx->Const.MaxTextureLevels > MAX_TEXTURE_LEVELS)
ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
/* minimum maximum. Users are likely to run into memory problems
* even at this size, since 64 * 2048 * 2048 * 4 = 1GB and we can't
* address that much.
*/
ctx->Const.MaxArrayTextureLayers = 64;
ctx->Const.MaxTextureRectSize = (1<<12);
ctx->Const.MaxTextureMaxAnisotropy = 16.0;
/* Hardware only supports a limited number of transform feedback buffers.
* So we need to override the Mesa default (which is based only on software
* limits).
*/
ctx->Const.MaxTransformFeedbackSeparateAttribs = BRW_MAX_SOL_BUFFERS;
/* On Gen6, in the worst case, we use up one binding table entry per
* transform feedback component (see comments above the definition of
* BRW_MAX_SOL_BINDINGS, in brw_context.h), so we need to advertise a value
* for MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS equal to
* BRW_MAX_SOL_BINDINGS.
*
* In "separate components" mode, we need to divide this value by
* BRW_MAX_SOL_BUFFERS, so that the total number of binding table entries
* used up by all buffers will not exceed BRW_MAX_SOL_BINDINGS.
*/
ctx->Const.MaxTransformFeedbackInterleavedComponents = BRW_MAX_SOL_BINDINGS;
ctx->Const.MaxTransformFeedbackSeparateComponents =
BRW_MAX_SOL_BINDINGS / BRW_MAX_SOL_BUFFERS;
/* if conformance mode is set, swrast can handle any size AA point */
ctx->Const.MaxPointSizeAA = 255.0;
/* We want the GLSL compiler to emit code that uses condition codes */
for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
ctx->ShaderCompilerOptions[i].MaxIfDepth = intel->gen < 6 ? 16 : UINT_MAX;
ctx->ShaderCompilerOptions[i].EmitCondCodes = true;
ctx->ShaderCompilerOptions[i].EmitNVTempInitialization = true;
ctx->ShaderCompilerOptions[i].EmitNoNoise = true;
ctx->ShaderCompilerOptions[i].EmitNoMainReturn = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectInput = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectOutput = true;
ctx->ShaderCompilerOptions[i].EmitNoIndirectUniform =
(i == MESA_SHADER_FRAGMENT);
ctx->ShaderCompilerOptions[i].EmitNoIndirectTemp =
(i == MESA_SHADER_FRAGMENT);
ctx->ShaderCompilerOptions[i].LowerClipDistance = true;
}
ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.VertexProgram.MaxAluInstructions = 0;
ctx->Const.VertexProgram.MaxTexInstructions = 0;
ctx->Const.VertexProgram.MaxTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
ctx->Const.VertexProgram.MaxNativeAttribs = 16;
ctx->Const.VertexProgram.MaxNativeTemps = 256;
ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
ctx->Const.VertexProgram.MaxNativeParameters = 1024;
ctx->Const.VertexProgram.MaxEnvParams =
MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
ctx->Const.VertexProgram.MaxEnvParams);
ctx->Const.FragmentProgram.MaxNativeInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAluInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexInstructions = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeTexIndirections = (16 * 1024);
ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
ctx->Const.FragmentProgram.MaxNativeTemps = 256;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
ctx->Const.FragmentProgram.MaxEnvParams =
MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
ctx->Const.FragmentProgram.MaxEnvParams);
/* Fragment shaders use real, 32-bit twos-complement integers for all
* integer types.
*/
ctx->Const.FragmentProgram.LowInt.RangeMin = 31;
ctx->Const.FragmentProgram.LowInt.RangeMax = 30;
ctx->Const.FragmentProgram.LowInt.Precision = 0;
ctx->Const.FragmentProgram.HighInt = ctx->Const.FragmentProgram.MediumInt
= ctx->Const.FragmentProgram.LowInt;
/* Gen6 converts quads to polygon in beginning of 3D pipeline,
but we're not sure how it's actually done for vertex order,
that affect provoking vertex decision. Always use last vertex
convention for quad primitive which works as expected for now. */
if (intel->gen >= 6)
ctx->Const.QuadsFollowProvokingVertexConvention = false;
if (intel->is_g4x || intel->gen >= 5) {
brw->CMD_VF_STATISTICS = GM45_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_GM45;
brw->has_surface_tile_offset = true;
if (intel->gen < 6)
brw->has_compr4 = true;
brw->has_aa_line_parameters = true;
brw->has_pln = true;
} else {
brw->CMD_VF_STATISTICS = GEN4_3DSTATE_VF_STATISTICS;
brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_965;
}
/* WM maximum threads is number of EUs times number of threads per EU. */
if (intel->gen >= 7) {
if (intel->gt == 1) {
brw->max_wm_threads = 86;
brw->max_vs_threads = 36;
brw->max_gs_threads = 36;
brw->urb.size = 128;
brw->urb.max_vs_entries = 512;
brw->urb.max_gs_entries = 192;
} else if (intel->gt == 2) {
brw->max_wm_threads = 86;
brw->max_vs_threads = 128;
brw->max_gs_threads = 128;
brw->urb.size = 256;
brw->urb.max_vs_entries = 704;
brw->urb.max_gs_entries = 320;
} else {
assert(!"Unknown gen7 device.");
}
} else if (intel->gen == 6) {
if (intel->gt == 2) {
/* This could possibly be 80, but is supposed to require
* disabling of WIZ hashing (bit 6 of GT_MODE, 0x20d0) and a
* GPU reset to change.
*/
brw->max_wm_threads = 40;
brw->max_vs_threads = 60;
brw->max_gs_threads = 60;
brw->urb.size = 64; /* volume 5c.5 section 5.1 */
brw->urb.max_vs_entries = 256; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
} else {
brw->max_wm_threads = 40;
brw->max_vs_threads = 24;
brw->max_gs_threads = 21; /* conservative; 24 if rendering disabled */
brw->urb.size = 32; /* volume 5c.5 section 5.1 */
brw->urb.max_vs_entries = 128; /* volume 2a (see 3DSTATE_URB) */
brw->urb.max_gs_entries = 256;
}
brw->urb.gen6_gs_previously_active = false;
} else if (intel->gen == 5) {
brw->urb.size = 1024;
brw->max_vs_threads = 72;
brw->max_gs_threads = 32;
brw->max_wm_threads = 12 * 6;
} else if (intel->is_g4x) {
brw->urb.size = 384;
brw->max_vs_threads = 32;
brw->max_gs_threads = 2;
brw->max_wm_threads = 10 * 5;
} else if (intel->gen < 6) {
brw->urb.size = 256;
brw->max_vs_threads = 16;
brw->max_gs_threads = 2;
brw->max_wm_threads = 8 * 4;
brw->has_negative_rhw_bug = true;
}
brw_init_state( brw );
brw->curbe.last_buf = calloc(1, 4096);
brw->curbe.next_buf = calloc(1, 4096);
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
brw->emit_state_always = 0;
intel->batch.need_workaround_flush = true;
ctx->VertexProgram._MaintainTnlProgram = true;
ctx->FragmentProgram._MaintainTexEnvProgram = true;
brw_draw_init( brw );
brw->new_vs_backend = (getenv("INTEL_OLD_VS") == NULL);
brw->precompile = driQueryOptionb(&intel->optionCache, "shader_precompile");
/* If we're using the new shader backend, we require integer uniforms
* stored as actual integers.
*/
if (brw->new_vs_backend) {
ctx->Const.NativeIntegers = true;
ctx->Const.UniformBooleanTrue = 1;
}
return true;
}
GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
struct intel_context *intel = &brw->intel;
GLcontext *ctx = &intel->ctx;
if (!brw) {
_mesa_printf("%s: failed to alloc context\n", __FUNCTION__);
return GL_FALSE;
}
brwInitVtbl( brw );
brwInitDriverFunctions( &functions );
if (!intelInitContext( intel, mesaVis, driContextPriv,
sharedContextPrivate, &functions )) {
_mesa_printf("%s: failed to init intel context\n", __FUNCTION__);
FREE(brw);
return GL_FALSE;
}
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxTextureCoordUnits = BRW_MAX_TEX_UNIT;
ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
*/
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = (1<<11);
ctx->Const.MaxTextureUnits = BRW_MAX_TEX_UNIT;
/* ctx->Const.MaxNativeVertexProgramTemps = 32; */
brw_init_attribs( brw );
brw_init_metaops( brw );
brw_init_state( brw );
brw->state.dirty.mesa = ~0;
brw->state.dirty.brw = ~0;
brw->emit_state_always = 0;
ctx->FragmentProgram._MaintainTexEnvProgram = 1;
brw_draw_init( brw );
brw_ProgramCacheInit( ctx );
return GL_TRUE;
}
GLboolean
i915CreateContext(int api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct i915_context *i915 = rzalloc(NULL, struct i915_context);
struct intel_context *intel = &i915->intel;
struct gl_context *ctx = &intel->ctx;
if (!i915)
return GL_FALSE;
i915InitVtbl(i915);
i915InitDriverFunctions(&functions);
if (!intelInitContext(intel, api, mesaVis, driContextPriv,
sharedContextPrivate, &functions)) {
FREE(i915);
return GL_FALSE;
}
_math_matrix_ctr(&intel->ViewportMatrix);
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
intelInitTriFuncs(ctx);
/* Install the customized pipeline: */
_tnl_destroy_pipeline(ctx);
_tnl_install_pipeline(ctx, intel_pipeline);
if (intel->no_rast)
FALLBACK(intel, INTEL_FALLBACK_USER, 1);
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
ctx->Const.MaxVarying = I915_TEX_UNITS;
ctx->Const.MaxCombinedTextureImageUnits =
ctx->Const.MaxVertexTextureImageUnits +
ctx->Const.MaxTextureImageUnits;
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
*/
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 12;
ctx->Const.MaxTextureRectSize = (1 << 11);
ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureMaxAnisotropy = 4.0;
/* GL_ARB_fragment_program limits - don't think Mesa actually
* validates programs against these, and in any case one ARB
* instruction can translate to more than one HW instruction, so
* we'll still have to check and fallback each time.
*/
ctx->Const.FragmentProgram.MaxNativeTemps = I915_MAX_TEMPORARY;
ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* 8 tex, 2 color, fog */
ctx->Const.FragmentProgram.MaxNativeParameters = I915_MAX_CONSTANT;
ctx->Const.FragmentProgram.MaxNativeAluInstructions = I915_MAX_ALU_INSN;
ctx->Const.FragmentProgram.MaxNativeTexInstructions = I915_MAX_TEX_INSN;
ctx->Const.FragmentProgram.MaxNativeInstructions = (I915_MAX_ALU_INSN +
I915_MAX_TEX_INSN);
ctx->Const.FragmentProgram.MaxNativeTexIndirections =
I915_MAX_TEX_INDIRECT;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* I don't think we have one */
ctx->Const.FragmentProgram.MaxEnvParams =
MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
ctx->Const.FragmentProgram.MaxEnvParams);
/* i915 stores all values in single-precision floats. Values aren't set
* for other program targets because software is used for those targets.
*/
ctx->Const.FragmentProgram.MediumFloat.RangeMin = 127;
ctx->Const.FragmentProgram.MediumFloat.RangeMax = 127;
ctx->Const.FragmentProgram.MediumFloat.Precision = 23;
ctx->Const.FragmentProgram.LowFloat = ctx->Const.FragmentProgram.HighFloat =
ctx->Const.FragmentProgram.MediumFloat;
ctx->Const.FragmentProgram.MediumInt.RangeMin = 24;
ctx->Const.FragmentProgram.MediumInt.RangeMax = 24;
ctx->Const.FragmentProgram.MediumInt.Precision = 0;
ctx->Const.FragmentProgram.LowInt = ctx->Const.FragmentProgram.HighInt =
ctx->Const.FragmentProgram.MediumInt;
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
/* FINISHME: Are there other options that should be enabled for software
* FINISHME: vertex shaders?
*/
ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitCondCodes = GL_TRUE;
struct gl_shader_compiler_options *const fs_options =
& ctx->ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
fs_options->EmitNoIfs = GL_TRUE;
fs_options->EmitNoNoise = GL_TRUE;
fs_options->EmitNoPow = GL_TRUE;
fs_options->EmitNoMainReturn = GL_TRUE;
fs_options->EmitNoIndirectInput = GL_TRUE;
fs_options->EmitNoIndirectOutput = GL_TRUE;
fs_options->EmitNoIndirectUniform = GL_TRUE;
fs_options->EmitNoIndirectTemp = GL_TRUE;
ctx->Const.MaxDrawBuffers = 1;
_tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12,
36 * sizeof(GLfloat));
intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
i915InitState(i915);
/* Always enable pixel fog. Vertex fog using fog coord will conflict
* with fog code appended onto fragment program.
*/
_tnl_allow_vertex_fog(ctx, 0);
_tnl_allow_pixel_fog(ctx, 1);
return GL_TRUE;
}