bool
i915CreateContext(int api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
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) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
i915InitVtbl(i915);
i915InitDriverFunctions(&functions);
if (!intelInitContext(intel, api, major_version, minor_version, flags,
mesaVis, driContextPriv,
sharedContextPrivate, &functions,
error)) {
ralloc_free(i915);
return false;
}
intel_init_texture_formats(ctx);
_math_matrix_ctr(&intel->ViewportMatrix);
/* Initialize swrast, tnl driver tables: */
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.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = I915_TEX_UNITS;
ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
ctx->Const.MaxVarying = I915_TEX_UNITS;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents =
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = ctx->Const.MaxVarying * 4;
ctx->Const.MaxCombinedTextureImageUnits =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
ctx->Const.Program[MESA_SHADER_FRAGMENT].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.Program[MESA_SHADER_FRAGMENT].MaxNativeTemps = I915_MAX_TEMPORARY;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeAttribs = 11; /* 8 tex, 2 color, fog */
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeParameters = I915_MAX_CONSTANT;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeAluInstructions = I915_MAX_ALU_INSN;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeTexInstructions = I915_MAX_TEX_INSN;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeInstructions = (I915_MAX_ALU_INSN +
I915_MAX_TEX_INSN);
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeTexIndirections =
I915_MAX_TEX_INDIRECT;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeAddressRegs = 0; /* I don't think we have one */
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxEnvParams =
MIN2(ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxNativeParameters,
ctx->Const.Program[MESA_SHADER_FRAGMENT].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.Program[MESA_SHADER_FRAGMENT].MediumFloat.RangeMin = 127;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumFloat.RangeMax = 127;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumFloat.Precision = 23;
ctx->Const.Program[MESA_SHADER_FRAGMENT].LowFloat = ctx->Const.Program[MESA_SHADER_FRAGMENT].HighFloat =
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumFloat;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumInt.RangeMin = 24;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumInt.RangeMax = 24;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumInt.Precision = 0;
ctx->Const.Program[MESA_SHADER_FRAGMENT].LowInt = ctx->Const.Program[MESA_SHADER_FRAGMENT].HighInt =
ctx->Const.Program[MESA_SHADER_FRAGMENT].MediumInt;
ctx->FragmentProgram._MaintainTexEnvProgram = true;
/* FINISHME: Are there other options that should be enabled for software
* FINISHME: vertex shaders?
*/
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitNoIndirectSampler =
true;
struct gl_shader_compiler_options *const fs_options =
& ctx->Const.ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
fs_options->MaxIfDepth = 0;
fs_options->EmitNoPow = true;
fs_options->EmitNoMainReturn = true;
fs_options->EmitNoIndirectInput = true;
fs_options->EmitNoIndirectOutput = true;
fs_options->EmitNoIndirectUniform = true;
fs_options->EmitNoIndirectTemp = true;
fs_options->EmitNoIndirectSampler = true;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.QueryCounterBits.SamplesPassed = 0;
_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);
_mesa_override_extensions(ctx);
_mesa_compute_version(ctx);
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
return true;
}
GLboolean
i830CreateContext(const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct i830_context *i830 = CALLOC_STRUCT(i830_context);
struct intel_context *intel = &i830->intel;
struct gl_context *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;
}
