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author | Alan Hourihane <alanh@tungstengraphics.com> | 2008-12-08 14:29:50 +0000 |
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committer | Alan Hourihane <alanh@tungstengraphics.com> | 2008-12-08 14:29:50 +0000 |
commit | 33a1f495d4bb19288680b9812c6ec1235302d215 (patch) | |
tree | d47067fe24d530c660b75ee80cdcec72f10d9ed0 /src/mesa/drivers/dri/i915 | |
parent | bcd5dda4358a5e47551278477bd00d2c63415c44 (diff) | |
parent | bdc8ac4426f00eaafbe8ca0d356563efe390294d (diff) | |
download | external_mesa3d-33a1f495d4bb19288680b9812c6ec1235302d215.zip external_mesa3d-33a1f495d4bb19288680b9812c6ec1235302d215.tar.gz external_mesa3d-33a1f495d4bb19288680b9812c6ec1235302d215.tar.bz2 |
Merge commit 'origin/master' into gallium-0.2
Conflicts:
progs/glsl/Makefile
Diffstat (limited to 'src/mesa/drivers/dri/i915')
-rw-r--r-- | src/mesa/drivers/dri/i915/intel_render.c | 25 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i915/intel_tris.c | 98 |
2 files changed, 119 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_render.c b/src/mesa/drivers/dri/i915/intel_render.c index 467abe4..410052b 100644 --- a/src/mesa/drivers/dri/i915/intel_render.c +++ b/src/mesa/drivers/dri/i915/intel_render.c @@ -117,6 +117,26 @@ intelDmaPrimitive(struct intel_context *intel, GLenum prim) intel_set_prim(intel, hw_prim[prim]); } +static inline GLuint intel_get_vb_max(struct intel_context *intel) +{ + GLuint ret; + + if (intel->intelScreen->no_vbo) + ret = intel->batch->size - 1500; + else + ret = INTEL_VB_SIZE; + ret /= (intel->vertex_size * 4); + return ret; +} + +static inline GLuint intel_get_current_max(struct intel_context *intel) +{ + + if (intel->intelScreen->no_vbo) + return intel_get_vb_max(intel); + else + return (INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4); +} #define LOCAL_VARS struct intel_context *intel = intel_context(ctx) #define INIT( prim ) \ @@ -126,9 +146,8 @@ do { \ #define FLUSH() INTEL_FIREVERTICES(intel) -#define GET_SUBSEQUENT_VB_MAX_VERTS() (INTEL_VB_SIZE / (intel->vertex_size * 4)) -#define GET_CURRENT_VB_MAX_VERTS() \ - ((INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4)) +#define GET_SUBSEQUENT_VB_MAX_VERTS() intel_get_vb_max(intel) +#define GET_CURRENT_VB_MAX_VERTS() intel_get_current_max(intel) #define ALLOC_VERTS(nr) intel_get_prim_space(intel, nr) diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c index 797d6c5..c4708dc 100644 --- a/src/mesa/drivers/dri/i915/intel_tris.c +++ b/src/mesa/drivers/dri/i915/intel_tris.c @@ -61,9 +61,101 @@ static void intelRenderPrimitive(GLcontext * ctx, GLenum prim); static void intelRasterPrimitive(GLcontext * ctx, GLenum rprim, GLuint hwprim); +static void +intel_flush_inline_primitive(struct intel_context *intel) +{ + GLuint used = intel->batch->ptr - intel->prim.start_ptr; + + assert(intel->prim.primitive != ~0); + +/* _mesa_printf("/\n"); */ + + if (used < 8) + goto do_discard; + + *(int *) intel->prim.start_ptr = (_3DPRIMITIVE | + intel->prim.primitive | (used / 4 - 2)); + + goto finished; + + do_discard: + intel->batch->ptr -= used; + + finished: + intel->prim.primitive = ~0; + intel->prim.start_ptr = 0; + intel->prim.flush = 0; +} + +static void intel_start_inline(struct intel_context *intel, uint32_t prim) +{ + BATCH_LOCALS; + uint32_t batch_flags = LOOP_CLIPRECTS; + + intel_wait_flips(intel); + intel->vtbl.emit_state(intel); + + intel->no_batch_wrap = GL_TRUE; + + /*_mesa_printf("%s *", __progname);*/ + + /* Emit a slot which will be filled with the inline primitive + * command later. + */ + BEGIN_BATCH(2, batch_flags); + OUT_BATCH(0); + + assert((intel->batch->dirty_state & (1<<1)) == 0); + + intel->prim.start_ptr = intel->batch->ptr; + intel->prim.primitive = prim; + intel->prim.flush = intel_flush_inline_primitive; + + OUT_BATCH(0); + ADVANCE_BATCH(); + + intel->no_batch_wrap = GL_FALSE; +/* _mesa_printf(">"); */ +} + +static void intel_wrap_inline(struct intel_context *intel) +{ + GLuint prim = intel->prim.primitive; + + intel_flush_inline_primitive(intel); + intel_batchbuffer_flush(intel->batch); + intel_start_inline(intel, prim); /* ??? */ +} + +static GLuint *intel_extend_inline(struct intel_context *intel, GLuint dwords) +{ + GLuint sz = dwords * sizeof(GLuint); + GLuint *ptr; + + assert(intel->prim.flush == intel_flush_inline_primitive); + + if (intel_batchbuffer_space(intel->batch) < sz) + intel_wrap_inline(intel); + +/* _mesa_printf("."); */ + + intel->vtbl.assert_not_dirty(intel); + + ptr = (GLuint *) intel->batch->ptr; + intel->batch->ptr += sz; + + return ptr; +} + /** Sets the primitive type for a primitive sequence, flushing as needed. */ void intel_set_prim(struct intel_context *intel, uint32_t prim) { + /* if we have no VBOs */ + + if (intel->intelScreen->no_vbo) { + intel_start_inline(intel, prim); + return; + } if (prim != intel->prim.primitive) { INTEL_FIREVERTICES(intel); intel->prim.primitive = prim; @@ -75,6 +167,10 @@ uint32_t *intel_get_prim_space(struct intel_context *intel, unsigned int count) { uint32_t *addr; + if (intel->intelScreen->no_vbo) { + return intel_extend_inline(intel, count * intel->vertex_size); + } + /* Check for space in the existing VB */ if (intel->prim.vb_bo == NULL || (intel->prim.current_offset + @@ -155,7 +251,7 @@ void intel_flush_prim(struct intel_context *intel) #if 0 printf("emitting %d..%d=%d vertices size %d\n", offset, - intel->prim.current_offset, intel->prim.count, + intel->prim.current_offset, count, intel->vertex_size * 4); #endif |