From eabe12df44a41e97fb5736959e8864ddbd01be14 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Mon, 24 Aug 2009 12:54:48 -0700 Subject: ARB prog: Change handling of program parameter limits Several changes are made to program parameter limits. Several of the non-NATIVE limits are set higher. All of the NATIVE limits are set to zero in the core Mesa code. Each driver must set the actual value in its context creation routine. If the NATIVE value remains zero, this indicates that hardware shaders may not be supported. Each of the preceeding changes matches the bahavior of Apple's shader assembler, so it seems safe. Finally, we limit the value of MaxEnvParams to be no greater than MaxNativeAttribs. At least one case has been found where an application does the wrong thing if MaxNativeAttribs < MaxEnvParams. See also bugzilla #23490. --- src/mesa/drivers/dri/i915/i915_context.c | 3 +++ src/mesa/drivers/dri/i965/brw_context.c | 27 ++++++++++++++++++++++++++- 2 files changed, 29 insertions(+), 1 deletion(-) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/i915/i915_context.c b/src/mesa/drivers/dri/i915/i915_context.c index bb08cf8d18..be47ace65e 100644 --- a/src/mesa/drivers/dri/i915/i915_context.c +++ b/src/mesa/drivers/dri/i915/i915_context.c @@ -166,6 +166,9 @@ i915CreateContext(const __GLcontextModes * mesaVis, 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); ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 4dbe551d83..21c0ad16ab 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -126,7 +126,32 @@ GLboolean brwCreateContext( const __GLcontextModes *mesaVis, /* We want the GLSL compiler to emit code that uses condition codes */ ctx->Shader.EmitCondCodes = GL_TRUE; -/* ctx->Const.MaxNativeVertexProgramTemps = 32; */ + 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 = 96; + 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 = 64; + ctx->Const.FragmentProgram.MaxEnvParams = + MIN2(ctx->Const.FragmentProgram.MaxNativeParameters, + ctx->Const.FragmentProgram.MaxEnvParams); brw_init_state( brw ); -- cgit v1.2.3