diff options
author | Brian Paul <[email protected]> | 2009-02-10 16:44:02 -0700 |
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committer | Brian Paul <[email protected]> | 2009-02-10 16:44:02 -0700 |
commit | 5340b6dff73a0a23531ce2a5f28fba8303adab6e (patch) | |
tree | b141fc3648568dd8b941c966059e6ed32a8bd0ad /src/gallium/drivers/nv04/nv04_prim_vbuf.c | |
parent | 9fd26daec24f21dbe17afcb2e2ab272667ee9a69 (diff) | |
parent | ee4c921b65fb76998711f3c40330505cbc49a0e0 (diff) |
Merge commit 'origin/gallium-master-merge'
This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.
Conflicts:
progs/demos/Makefile
src/mesa/main/state.c
src/mesa/main/texenvprogram.c
Diffstat (limited to 'src/gallium/drivers/nv04/nv04_prim_vbuf.c')
-rw-r--r-- | src/gallium/drivers/nv04/nv04_prim_vbuf.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv04/nv04_prim_vbuf.c b/src/gallium/drivers/nv04/nv04_prim_vbuf.c new file mode 100644 index 00000000000..18a8872ae38 --- /dev/null +++ b/src/gallium/drivers/nv04/nv04_prim_vbuf.c @@ -0,0 +1,309 @@ + +#include "pipe/p_debug.h" +#include "pipe/p_inlines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "pipe/p_compiler.h" + +#include "draw/draw_vbuf.h" + +#include "nv04_context.h" +#include "nv04_state.h" + +#define VERTEX_SIZE 40 +#define VERTEX_BUFFER_SIZE (4096*VERTEX_SIZE) // 4096 vertices of 40 bytes each + +/** + * Primitive renderer for nv04. + */ +struct nv04_vbuf_render { + struct vbuf_render base; + + struct nv04_context *nv04; + + /** Vertex buffer */ + unsigned char* buffer; + + /** Vertex size in bytes */ + unsigned vertex_size; + + /** Current primitive */ + unsigned prim; +}; + + +/** + * Basically a cast wrapper. + */ +static INLINE struct nv04_vbuf_render * +nv04_vbuf_render( struct vbuf_render *render ) +{ + assert(render); + return (struct nv04_vbuf_render *)render; +} + + +static const struct vertex_info * +nv04_vbuf_render_get_vertex_info( struct vbuf_render *render ) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + struct nv04_context *nv04 = nv04_render->nv04; + return &nv04->vertex_info; +} + + +static void * +nv04_vbuf_render_allocate_vertices( struct vbuf_render *render, + ushort vertex_size, + ushort nr_vertices ) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + + nv04_render->buffer = (unsigned char*) MALLOC(VERTEX_BUFFER_SIZE); + assert(!nv04_render->buffer); + + return nv04_render->buffer; +} + + +static boolean +nv04_vbuf_render_set_primitive( struct vbuf_render *render, + unsigned prim ) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + + if (prim <= PIPE_PRIM_LINE_STRIP) + return FALSE; + + nv04_render->prim = prim; + return TRUE; +} + +static INLINE void nv04_2triangles(struct nv04_context* nv04, unsigned char* buffer, ushort v0, ushort v1, ushort v2, ushort v3, ushort v4, ushort v5) +{ + BEGIN_RING(fahrenheit,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xA),49); + OUT_RINGp(buffer + VERTEX_SIZE * v0,8); + OUT_RINGp(buffer + VERTEX_SIZE * v1,8); + OUT_RINGp(buffer + VERTEX_SIZE * v2,8); + OUT_RINGp(buffer + VERTEX_SIZE * v3,8); + OUT_RINGp(buffer + VERTEX_SIZE * v4,8); + OUT_RINGp(buffer + VERTEX_SIZE * v5,8); + OUT_RING(0xFEDCBA); +} + +static INLINE void nv04_1triangle(struct nv04_context* nv04, unsigned char* buffer, ushort v0, ushort v1, ushort v2) +{ + BEGIN_RING(fahrenheit,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xD),25); + OUT_RINGp(buffer + VERTEX_SIZE * v0,8); + OUT_RINGp(buffer + VERTEX_SIZE * v1,8); + OUT_RINGp(buffer + VERTEX_SIZE * v2,8); + OUT_RING(0xFED); +} + +static INLINE void nv04_1quad(struct nv04_context* nv04, unsigned char* buffer, ushort v0, ushort v1, ushort v2, ushort v3) +{ + BEGIN_RING(fahrenheit,NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0xC),33); + OUT_RINGp(buffer + VERTEX_SIZE * v0,8); + OUT_RINGp(buffer + VERTEX_SIZE * v1,8); + OUT_RINGp(buffer + VERTEX_SIZE * v2,8); + OUT_RINGp(buffer + VERTEX_SIZE * v3,8); + OUT_RING(0xFECEDC); +} + +static void nv04_vbuf_render_triangles_elts(struct nv04_vbuf_render * render, const ushort * indices, uint nr_indices) +{ + unsigned char* buffer = render->buffer; + struct nv04_context* nv04 = render->nv04; + int i; + + for( i=0; i< nr_indices-5; i+=6) + nv04_2triangles(nv04, + buffer, + indices[i+0], + indices[i+1], + indices[i+2], + indices[i+3], + indices[i+4], + indices[i+5] + ); + if (i != nr_indices) + { + nv04_1triangle(nv04, + buffer, + indices[i+0], + indices[i+1], + indices[i+2] + ); + i+=3; + } + if (i != nr_indices) + NOUVEAU_ERR("Houston, we have lost some vertices\n"); +} + +static void nv04_vbuf_render_tri_strip_elts(struct nv04_vbuf_render* render, const ushort* indices, uint nr_indices) +{ + const uint32_t striptbl[]={0x321210,0x543432,0x765654,0x987876,0xBA9A98,0xDCBCBA,0xFEDEDC}; + unsigned char* buffer = render->buffer; + struct nv04_context* nv04 = render->nv04; + int i,j; + + for(i = 0; i<nr_indices; i+=14) + { + int numvert = MIN2(16, nr_indices - i); + int numtri = numvert - 2; + if (numvert<3) + break; + + BEGIN_RING( fahrenheit, NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0), numvert*8 ); + for(j = 0; j<numvert; j++) + OUT_RINGp( buffer + VERTEX_SIZE * indices [i+j], 8 ); + + BEGIN_RING_NI( fahrenheit, NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_DRAWPRIMITIVE(0), (numtri+1)/2 ); + for(j = 0; j<numtri/2; j++ ) + OUT_RING(striptbl[j]); + if (numtri%2) + OUT_RING(striptbl[numtri/2]&0xFFF); + } +} + +static void nv04_vbuf_render_tri_fan_elts(struct nv04_vbuf_render* render, const ushort* indices, uint nr_indices) +{ + const uint32_t fantbl[]={0x320210,0x540430,0x760650,0x980870,0xBA0A90,0xDC0CB0,0xFE0ED0}; + unsigned char* buffer = render->buffer; + struct nv04_context* nv04 = render->nv04; + int i,j; + + BEGIN_RING(fahrenheit, NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x0), 8); + OUT_RINGp(buffer + VERTEX_SIZE * indices[0], 8); + + for(i = 1; i<nr_indices; i+=14) + { + int numvert=MIN2(15, nr_indices - i); + int numtri=numvert-2; + if (numvert < 3) + break; + + BEGIN_RING(fahrenheit, NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_SX(0x1), numvert*8); + + for(j=0;j<numvert;j++) + OUT_RINGp( buffer + VERTEX_SIZE * indices[ i+j ], 8 ); + + BEGIN_RING_NI(fahrenheit, NV04_DX5_TEXTURED_TRIANGLE_TLVERTEX_DRAWPRIMITIVE(0), (numtri+1)/2); + for(j = 0; j<numtri/2; j++) + OUT_RING(fantbl[j]); + if (numtri%2) + OUT_RING(fantbl[numtri/2]&0xFFF); + } +} + +static void nv04_vbuf_render_quads_elts(struct nv04_vbuf_render* render, const ushort* indices, uint nr_indices) +{ + unsigned char* buffer = render->buffer; + struct nv04_context* nv04 = render->nv04; + int i; + + for(i = 0; i < nr_indices; i += 4) + nv04_1quad(nv04, + buffer, + indices[i+0], + indices[i+1], + indices[i+2], + indices[i+3] + ); +} + + +static void +nv04_vbuf_render_draw( struct vbuf_render *render, + const ushort *indices, + uint nr_indices) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + + // emit the indices + switch( nv04_render->prim ) + { + case PIPE_PRIM_TRIANGLES: + nv04_vbuf_render_triangles_elts(nv04_render, indices, nr_indices); + break; + case PIPE_PRIM_QUAD_STRIP: + case PIPE_PRIM_TRIANGLE_STRIP: + nv04_vbuf_render_tri_strip_elts(nv04_render, indices, nr_indices); + break; + case PIPE_PRIM_TRIANGLE_FAN: + case PIPE_PRIM_POLYGON: + nv04_vbuf_render_tri_fan_elts(nv04_render, indices, nr_indices); + break; + case PIPE_PRIM_QUADS: + nv04_vbuf_render_quads_elts(nv04_render, indices, nr_indices); + break; + default: + NOUVEAU_ERR("You have to implement primitive %d, young padawan\n", nv04_render->prim); + break; + } +} + + +static void +nv04_vbuf_render_release_vertices( struct vbuf_render *render, + void *vertices, + unsigned vertex_size, + unsigned vertices_used ) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + + free(nv04_render->buffer); + nv04_render->buffer = NULL; +} + + +static void +nv04_vbuf_render_destroy( struct vbuf_render *render ) +{ + struct nv04_vbuf_render *nv04_render = nv04_vbuf_render(render); + FREE(nv04_render); +} + + +/** + * Create a new primitive render. + */ +static struct vbuf_render * +nv04_vbuf_render_create( struct nv04_context *nv04 ) +{ + struct nv04_vbuf_render *nv04_render = CALLOC_STRUCT(nv04_vbuf_render); + + nv04_render->nv04 = nv04; + + nv04_render->base.max_vertex_buffer_bytes = VERTEX_BUFFER_SIZE; + nv04_render->base.max_indices = 65536; + nv04_render->base.get_vertex_info = nv04_vbuf_render_get_vertex_info; + nv04_render->base.allocate_vertices = nv04_vbuf_render_allocate_vertices; + nv04_render->base.set_primitive = nv04_vbuf_render_set_primitive; + nv04_render->base.draw = nv04_vbuf_render_draw; + nv04_render->base.release_vertices = nv04_vbuf_render_release_vertices; + nv04_render->base.destroy = nv04_vbuf_render_destroy; + + return &nv04_render->base; +} + + +/** + * Create a new primitive vbuf/render stage. + */ +struct draw_stage *nv04_draw_vbuf_stage( struct nv04_context *nv04 ) +{ + struct vbuf_render *render; + struct draw_stage *stage; + + render = nv04_vbuf_render_create(nv04); + if(!render) + return NULL; + + stage = draw_vbuf_stage( nv04->draw, render ); + if(!stage) { + render->destroy(render); + return NULL; + } + + return stage; +} |