From b72c85df5567713293452db6b60c537cd913dcc1 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 26 Aug 2010 09:10:19 -0700 Subject: i965: Fix the test for variable indexing of shader inputs. Shader inputs appear in source registers, not dst registers. Catches unsupported shaders in glsl-fs-varying-array and Humus RaytracedShadows. --- src/mesa/drivers/dri/i965/brw_program.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 1cdc8c6411..d5b7bee1b1 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -168,6 +168,9 @@ static GLboolean brwProgramStringNotify( GLcontext *ctx, * See piglit glsl-{vs,fs}-functions-[23] tests. */ for (i = 0; i < prog->NumInstructions; i++) { + struct prog_instruction *inst = prog->Instructions + i; + int r; + if (prog->Instructions[i].Opcode == OPCODE_CAL) { shader_error(ctx, prog, "i965 driver doesn't yet support uninlined function " @@ -183,12 +186,15 @@ static GLboolean brwProgramStringNotify( GLcontext *ctx, return GL_FALSE; } - if (prog->Instructions[i].DstReg.RelAddr && - prog->Instructions[i].DstReg.File == PROGRAM_INPUT) { - shader_error(ctx, prog, - "Variable indexing of shader inputs unsupported\n"); - return GL_FALSE; + for (r = 0; r < _mesa_num_inst_src_regs(inst->Opcode); r++) { + if (prog->Instructions[i].SrcReg[r].RelAddr && + prog->Instructions[i].SrcReg[r].File == PROGRAM_INPUT) { + shader_error(ctx, prog, + "Variable indexing of shader inputs unsupported\n"); + return GL_FALSE; + } } + if (prog->Instructions[i].DstReg.RelAddr && prog->Instructions[i].DstReg.File == PROGRAM_OUTPUT) { shader_error(ctx, prog, -- cgit v1.2.3