From 06a7b798f2261a7faaede71946e4489979840713 Mon Sep 17 00:00:00 2001 From: Corbin Simpson Date: Sun, 17 May 2009 21:10:07 -0700 Subject: r300-gallium: Add half-right COS and SIN. HW trig does a premultiply by 2pi, where Mesa does another premultiply by pi. This is a problem. --- src/gallium/drivers/r300/r300_state_shader.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/gallium/drivers/r300') diff --git a/src/gallium/drivers/r300/r300_state_shader.c b/src/gallium/drivers/r300/r300_state_shader.c index 7257638dbe..0871aed2b4 100644 --- a/src/gallium/drivers/r300/r300_state_shader.c +++ b/src/gallium/drivers/r300/r300_state_shader.c @@ -208,10 +208,12 @@ static INLINE uint32_t r300_alpha_op(unsigned op) static INLINE uint32_t r500_rgba_op(unsigned op) { switch (op) { + case TGSI_OPCODE_COS: case TGSI_OPCODE_EX2: case TGSI_OPCODE_LG2: case TGSI_OPCODE_RCP: case TGSI_OPCODE_RSQ: + case TGSI_OPCODE_SIN: return R500_ALU_RGBA_OP_SOP; case TGSI_OPCODE_FRC: return R500_ALU_RGBA_OP_FRC; @@ -238,6 +240,8 @@ static INLINE uint32_t r500_rgba_op(unsigned op) static INLINE uint32_t r500_alpha_op(unsigned op) { switch (op) { + case TGSI_OPCODE_COS: + return R500_ALPHA_OP_COS; case TGSI_OPCODE_EX2: return R500_ALPHA_OP_EX2; case TGSI_OPCODE_LG2: @@ -248,6 +252,8 @@ static INLINE uint32_t r500_alpha_op(unsigned op) return R500_ALPHA_OP_RSQ; case TGSI_OPCODE_FRC: return R500_ALPHA_OP_FRC; + case TGSI_OPCODE_SIN: + return R500_ALPHA_OP_SIN; case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: case TGSI_OPCODE_DPH: @@ -460,6 +466,9 @@ static void r500_fs_instruction(struct r500_fragment_shader* fs, * AMD/ATI names for opcodes, please, as it facilitates using the * documentation. */ switch (inst->Instruction.Opcode) { + /* XXX trig needs extra prep */ + case TGSI_OPCODE_COS: + case TGSI_OPCODE_SIN: /* The simple scalar ops. */ case TGSI_OPCODE_EX2: case TGSI_OPCODE_LG2: -- cgit v1.2.3