diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-09-09 14:14:14 +0200 |
|---|---|---|
| committer | Francisco Jerez <currojerez@riseup.net> | 2010-09-09 14:19:35 +0200 |
| commit | 699749cfeeea7d0a17ed5f94fd5fdbbe52f4ab2b (patch) | |
| tree | 3b2d8ed262dd04ac08278f7dcb5e4c3d6a24be04 /src | |
| parent | a76f6dc84952348261c32bcace56790e939a2902 (diff) | |
dri/nv04: Add support for NV_texture_env_combine4.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv04_context.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv04_state_frag.c | 36 |
2 files changed, 24 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv04_context.c b/src/mesa/drivers/dri/nouveau/nv04_context.c index 6834f7cd3d..1d34c86350 100644 --- a/src/mesa/drivers/dri/nouveau/nv04_context.c +++ b/src/mesa/drivers/dri/nouveau/nv04_context.c @@ -39,6 +39,7 @@ nv04_context_engine(GLcontext *ctx) struct nouveau_grobj *fahrenheit; if (ctx->Texture.Unit[0].EnvMode == GL_COMBINE || + ctx->Texture.Unit[0].EnvMode == GL_COMBINE4_NV || ctx->Texture.Unit[0].EnvMode == GL_BLEND || ctx->Texture.Unit[0].EnvMode == GL_ADD || ctx->Texture.Unit[1]._ReallyEnabled || diff --git a/src/mesa/drivers/dri/nouveau/nv04_state_frag.c b/src/mesa/drivers/dri/nouveau/nv04_state_frag.c index d7c86d4178..bb5d7dc20f 100644 --- a/src/mesa/drivers/dri/nouveau/nv04_state_frag.c +++ b/src/mesa/drivers/dri/nouveau/nv04_state_frag.c @@ -44,6 +44,7 @@ struct combiner_state { GLcontext *ctx; int unit; GLboolean alpha; + GLboolean premodulate; /* GL state */ GLenum mode; @@ -66,6 +67,7 @@ struct combiner_state { (rc)->ctx = ctx; \ (rc)->unit = i; \ (rc)->alpha = __INIT_COMBINER_ALPHA_##chan; \ + (rc)->premodulate = c->_NumArgs##chan == 4; \ (rc)->mode = c->Mode##chan; \ (rc)->source = c->Source##chan; \ (rc)->operand = c->Operand##chan; \ @@ -79,6 +81,9 @@ static uint32_t get_input_source(struct combiner_state *rc, int source) { switch (source) { + case GL_ZERO: + return COMBINER_SOURCE(ZERO); + case GL_TEXTURE: return rc->unit ? COMBINER_SOURCE(TEXTURE1) : COMBINER_SOURCE(TEXTURE0); @@ -195,11 +200,24 @@ setup_combiner(struct combiner_state *rc) break; case GL_ADD: - INPUT_ARG(rc, 0, 0, 0); - INPUT_SRC(rc, 1, ZERO, INVERT); - INPUT_ARG(rc, 2, 1, 0); - INPUT_SRC(rc, 3, ZERO, INVERT); - UNSIGNED_OP(rc); + case GL_ADD_SIGNED: + if (rc->premodulate) { + INPUT_ARG(rc, 0, 0, 0); + INPUT_ARG(rc, 1, 1, 0); + INPUT_ARG(rc, 2, 2, 0); + INPUT_ARG(rc, 3, 3, 0); + } else { + INPUT_ARG(rc, 0, 0, 0); + INPUT_SRC(rc, 1, ZERO, INVERT); + INPUT_ARG(rc, 2, 1, 0); + INPUT_SRC(rc, 3, ZERO, INVERT); + } + + if (rc->mode == GL_ADD_SIGNED) + SIGNED_OP(rc); + else + UNSIGNED_OP(rc); + break; case GL_INTERPOLATE: @@ -210,14 +228,6 @@ setup_combiner(struct combiner_state *rc) UNSIGNED_OP(rc); break; - case GL_ADD_SIGNED: - INPUT_ARG(rc, 0, 0, 0); - INPUT_SRC(rc, 1, ZERO, INVERT); - INPUT_ARG(rc, 2, 1, 0); - INPUT_SRC(rc, 3, ZERO, INVERT); - SIGNED_OP(rc); - break; - default: assert(0); } |