diff options
author | Ben Skeggs <darktama@iinet.net.au> | 2006-06-03 16:36:23 +0000 |
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committer | Ben Skeggs <darktama@iinet.net.au> | 2006-06-03 16:36:23 +0000 |
commit | 5411b96c5fc9b50ca4cd1ae61eb9d8b00fe5ff9a (patch) | |
tree | 573b869a9e6fccd34f6cd838aacf91cd9a9d5822 /src/mesa/drivers/dri/nouveau/nouveau_shader.c | |
parent | 13a2d6698fce050732b421107a2a92b37a5e01f8 (diff) |
Add start of vertex shader backend, will most likely not work correctly yet
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_shader.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_shader.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader.c b/src/mesa/drivers/dri/nouveau/nouveau_shader.c new file mode 100644 index 0000000000..ef8f02e910 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_shader.c @@ -0,0 +1,91 @@ +#include "glheader.h" +#include "macros.h" +#include "enums.h" + +#include "program.h" +#include "nouveau_context.h" +#include "nouveau_shader.h" + +static struct program * +nv40NewProgram(GLcontext *ctx, GLenum target, GLuint id) +{ +} + +static void +nv40BindProgram(GLcontext *ctx, GLenum target, struct program *prog) +{ +} + +static void +nv40DeleteProgram(GLcontext *ctx, struct program *prog) +{ +} + +static void +nv40ProgramStringNotify(GLcontext *ctx, GLenum target, + struct program *prog) +{ +} + +static GLboolean +nv40IsProgramNative(GLcontext *ctx, GLenum target, struct program *prog) +{ +} + +void +nouveauInitShaderFuncs(GLcontext *ctx) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + + if (nmesa->screen->card_type == NV_40) { + ctx->Driver.NewProgram = nv40NewProgram; + ctx->Driver.BindProgram = nv40BindProgram; + ctx->Driver.DeleteProgram = nv40DeleteProgram; + ctx->Driver.ProgramStringNotify = nv40ProgramStringNotify; + ctx->Driver.IsProgramNative = nv40IsProgramNative; + } +} + +#define LONGBITS (sizeof(long) * 8) +void +nvsBitSet(long *rec, int bit) +{ + int ri = bit / LONGBITS; + int rb = bit % LONGBITS; + + rec[ri] |= (1 << rb); +} + +void +nvsBitClear(long *rec, int bit) +{ + int ri = bit / LONGBITS; + int rb = bit % LONGBITS; + + rec[ri] &= ~(1 << rb); +} + +void +nvsRecInit(long **rec, int max) +{ + int c = (max / LONGBITS) + ((max % LONGBITS) ? 1 : 0); + *rec = calloc(c, sizeof(long)); +} + +int +nvsAllocIndex(long *rec, int max) +{ + int c = (max / LONGBITS) + ((max % LONGBITS) ? 1 : 0); + int i, idx = 0; + + for (i=0;i<c;i++) { + idx = ffsl(~rec[i]); + if (idx) { + nvsBitSet(rec, (idx - 1)); + break; + } + } + + return (idx - 1); +} + |