#include "swrast_setup/swrast_setup.h"
#include "array_cache/acache.h"
#include "tnl/tnl.h"
+#include "tnl/t_vp_build.h"
+#include "radeon_reg.h"
+#include "radeon_macros.h"
#include "radeon_ioctl.h"
#include "radeon_state.h"
#include "r300_context.h"
#include "r300_state.h"
#include "r300_reg.h"
#include "r300_program.h"
+#include "r300_tex.h"
+#include "r300_maos.h"
+#include "r300_emit.h"
+extern int future_hw_tcl_on;
/**********************************************************************
* Hardware rasterization
* rasterization hardware for rendering.
**********************************************************************/
+static int r300_get_primitive_type(r300ContextPtr rmesa, GLcontext *ctx, int prim)
+{
+ int type=-1;
-/**
- * Called by the pipeline manager to render a batch of primitives.
- * We can return true to pass on to the next stage (i.e. software
- * rasterization) or false to indicate that the pipeline has finished
- * after we render something.
- */
-static GLboolean r300_run_render(GLcontext *ctx,
- struct tnl_pipeline_stage *stage)
+ switch (prim & PRIM_MODE_MASK) {
+ case GL_POINTS:
+ type=R300_VAP_VF_CNTL__PRIM_POINTS;
+ break;
+ case GL_LINES:
+ type=R300_VAP_VF_CNTL__PRIM_LINES;
+ break;
+ case GL_LINE_STRIP:
+ type=R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
+ break;
+ case GL_LINE_LOOP:
+ type=R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
+ break;
+ case GL_TRIANGLES:
+ type=R300_VAP_VF_CNTL__PRIM_TRIANGLES;
+ break;
+ case GL_TRIANGLE_STRIP:
+ type=R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
+ break;
+ case GL_TRIANGLE_FAN:
+ type=R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
+ break;
+ case GL_QUADS:
+ type=R300_VAP_VF_CNTL__PRIM_QUADS;
+ break;
+ case GL_QUAD_STRIP:
+ type=R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
+ break;
+ case GL_POLYGON:
+ type=R300_VAP_VF_CNTL__PRIM_POLYGON;
+ break;
+ default:
+ fprintf(stderr, "%s:%s Do not know how to handle primitive %02x - help me !\n",
+ __FILE__, __FUNCTION__,
+ prim & PRIM_MODE_MASK);
+ return -1;
+ break;
+ }
+ return type;
+}
+
+static int r300_get_num_verts(r300ContextPtr rmesa,
+ GLcontext *ctx,
+ int num_verts,
+ int prim)
{
- r300ContextPtr mmesa = R300_CONTEXT(ctx);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLuint i;
-
- if (RADEON_DEBUG == DEBUG_PRIMS)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ int verts_off=0;
+ char *name="UNKNOWN";
- for(i=0; i < VB->PrimitiveCount; i++){
- switch (VB->Primitive[i].mode & PRIM_MODE_MASK) {
- case GL_LINES:
- fprintf(stderr, "L ");
+ switch (prim & PRIM_MODE_MASK) {
+ case GL_POINTS:
+ name="P";
+ verts_off = 0;
+ break;
+ case GL_LINES:
+ name="L";
+ verts_off = num_verts % 2;
break;
- case GL_LINE_STRIP:
- fprintf(stderr, "LS ");
+ case GL_LINE_STRIP:
+ name="LS";
+ if(num_verts < 2)
+ verts_off = num_verts;
break;
- case GL_LINE_LOOP:
- fprintf(stderr, "LL ");
+ case GL_LINE_LOOP:
+ name="LL";
+ if(num_verts < 2)
+ verts_off = num_verts;
break;
- case GL_TRIANGLES:
- fprintf(stderr, "T ");
+ case GL_TRIANGLES:
+ name="T";
+ verts_off = num_verts % 3;
break;
- case GL_TRIANGLE_STRIP:
- fprintf(stderr, "TS ");
+ case GL_TRIANGLE_STRIP:
+ name="TS";
+ if(num_verts < 3)
+ verts_off = num_verts;
break;
- case GL_TRIANGLE_FAN:
- fprintf(stderr, "TF ");
+ case GL_TRIANGLE_FAN:
+ name="TF";
+ if(num_verts < 3)
+ verts_off = num_verts;
break;
- case GL_QUADS:
- fprintf(stderr, "Q ");
+ case GL_QUADS:
+ name="Q";
+ verts_off = num_verts % 4;
break;
- case GL_QUAD_STRIP:
- fprintf(stderr, "QS ");
+ case GL_QUAD_STRIP:
+ name="QS";
+ if(num_verts < 4)
+ verts_off = num_verts;
+ else
+ verts_off = num_verts % 2;
break;
- default:
- fprintf(stderr, "%02x ", VB->Primitive[i].mode & PRIM_MODE_MASK);
+ case GL_POLYGON:
+ name="P";
+ if(num_verts < 3)
+ verts_off = num_verts;
+ break;
+ default:
+ fprintf(stderr, "%s:%s Do not know how to handle primitive %02x - help me !\n",
+ __FILE__, __FUNCTION__,
+ prim & PRIM_MODE_MASK);
+ return -1;
break;
- }
}
-
- fprintf(stderr, "\n");
- return GL_TRUE;
+ if (RADEON_DEBUG & DEBUG_VERTS) {
+ if (num_verts - verts_off == 0) {
+ WARN_ONCE("user error: Need more than %d vertices to draw primitive %s !\n", num_verts, name);
+ return 0;
+ }
+
+ if (verts_off > 0) {
+ WARN_ONCE("user error: %d is not a valid number of vertices for primitive %s !\n", num_verts, name);
+ }
+ }
+
+ return num_verts - verts_off;
+}
+
+/* Immediate implementation has been removed from CVS. */
+
+/* vertex buffer implementation */
+
+static void inline fire_EB(PREFIX unsigned long addr, int vertex_count, int type, int elt_size)
+{
+ LOCAL_VARS
+ unsigned long addr_a;
+ unsigned long t_addr;
+ unsigned long magic_1, magic_2;
+ GLcontext *ctx;
+ ctx = rmesa->radeon.glCtx;
+
+ assert(elt_size == 2 || elt_size == 4);
+
+ if(addr & (elt_size-1)){
+ WARN_ONCE("Badly aligned buffer\n");
+ return ;
+ }
+#ifdef OPTIMIZE_ELTS
+ addr_a = 0;
+
+ magic_1 = (addr % 32) / 4;
+ t_addr = addr & (~0x1d);
+ magic_2 = (vertex_count + 1 + (t_addr & 0x2)) / 2 + magic_1;
+
+ check_space(6);
+
+ start_packet3(RADEON_CP_PACKET3_3D_DRAW_INDX_2, 0);
+ if(elt_size == 4){
+ e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count<<16) | type | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
+ } else {
+ e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count<<16) | type);
+ }
+
+ start_packet3(RADEON_CP_PACKET3_INDX_BUFFER, 2);
+ if(elt_size == 4){
+ e32(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
+ e32(addr /*& 0xffffffe3*/);
+ } else {
+ e32(R300_EB_UNK1 | (magic_1 << 16) | R300_EB_UNK2);
+ e32(t_addr);
+ }
+
+ if(elt_size == 4){
+ e32(vertex_count /*+ addr_a/4*/); /* Total number of dwords needed? */
+ } else {
+ e32(magic_2); /* Total number of dwords needed? */
+ }
+ //cp_delay(PASS_PREFIX 1);
#if 0
- mgaContextPtr mmesa = MGA_CONTEXT(ctx);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLuint i;
+ fprintf(stderr, "magic_1 %d\n", magic_1);
+ fprintf(stderr, "t_addr %x\n", t_addr);
+ fprintf(stderr, "magic_2 %d\n", magic_2);
+ exit(1);
+#endif
+#else
+ (void)magic_2, (void)magic_1, (void)t_addr;
+
+ addr_a = 0;
+
+ check_space(6);
+
+ start_packet3(RADEON_CP_PACKET3_3D_DRAW_INDX_2, 0);
+ if(elt_size == 4){
+ e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count<<16) | type | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
+ } else {
+ e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count<<16) | type);
+ }
- /* Don't handle clipping or indexed vertices or vertex manipulations.
- */
- if (mmesa->RenderIndex != 0 ||
- !mga_validate_render( ctx, VB )) {
- return GL_TRUE;
- }
+ start_packet3(RADEON_CP_PACKET3_INDX_BUFFER, 2);
+ e32(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
+ e32(addr /*& 0xffffffe3*/);
+
+ if(elt_size == 4){
+ e32(vertex_count /*+ addr_a/4*/); /* Total number of dwords needed? */
+ } else {
+ e32((vertex_count+1)/2 /*+ addr_a/4*/); /* Total number of dwords needed? */
+ }
+ //cp_delay(PASS_PREFIX 1);
+#endif
+}
- tnl->Driver.Render.Start( ctx );
- mmesa->SetupNewInputs = ~0;
+static void r300_render_vb_primitive(r300ContextPtr rmesa,
+ GLcontext *ctx,
+ int start,
+ int end,
+ int prim)
+{
+ int type, num_verts;
- for (i = 0 ; i < VB->PrimitiveCount ; i++)
- {
- GLuint prim = VB->Primitive[i].mode;
- GLuint start = VB->Primitive[i].start;
- GLuint length = VB->Primitive[i].count;
+ type=r300_get_primitive_type(rmesa, ctx, prim);
+ num_verts=r300_get_num_verts(rmesa, ctx, end-start, prim);
- if (!length)
- continue;
+ if(type<0 || num_verts <= 0)return;
- mga_render_tab_verts[prim & PRIM_MODE_MASK]( ctx, start, start + length,
- prim);
+ if(rmesa->state.VB.Elts){
+ r300EmitAOS(rmesa, rmesa->state.aos_count, /*0*/start);
+#if 0
+ LOCAL_VARS
+ int i;
+ start_index32_packet(num_verts, type);
+ for(i=0; i < num_verts; i++)
+ e32(((unsigned long *)rmesa->state.VB.Elts)[i]/*rmesa->state.Elts[start+i]*/); /* start ? */
+#else
+ if(num_verts == 1){
+ //start_index32_packet(num_verts, type);
+ //e32(rmesa->state.Elts[start]);
+ return;
+ }
+
+ if(num_verts > 65535){ /* not implemented yet */
+ WARN_ONCE("Too many elts\n");
+ return;
+ }
+
+ r300EmitElts(ctx, rmesa->state.VB.Elts, num_verts, rmesa->state.VB.elt_size);
+ fire_EB(PASS_PREFIX rmesa->state.elt_dma.aos_offset, num_verts, type, rmesa->state.VB.elt_size);
+#endif
+ }else{
+ r300EmitAOS(rmesa, rmesa->state.aos_count, start);
+ fire_AOS(PASS_PREFIX num_verts, type);
}
+}
- tnl->Driver.Render.Finish( ctx );
+#if 0
+void dump_array(struct r300_dma_region *rvb, int count)
+{
+ int *out = (int *)(rvb->address + rvb->start);
+ int i, ci;
+
+ fprintf(stderr, "stride %d:", rvb->aos_stride);
+ for (i=0; i < count; i++) {
+ fprintf(stderr, "{");
+ if (rvb->aos_format == AOS_FORMAT_FLOAT)
+ for (ci=0; ci < rvb->aos_size; ci++)
+ fprintf(stderr, "%f ", ((float *)out)[ci]);
+ else
+ for (ci=0; ci < rvb->aos_size; ci++)
+ fprintf(stderr, "%d ", ((unsigned char *)out)[ci]);
+ fprintf(stderr, "}");
+
+ out += rvb->aos_stride;
+ }
- return GL_FALSE; /* finished the pipe */
-#endif
+ fprintf(stderr, "\n");
+}
+
+void dump_dt(struct dt *dt, int count)
+{
+ int *out = dt->data;
+ int i, ci;
+
+ fprintf(stderr, "stride %d", dt->stride);
+
+ for (i=0; i < count; i++){
+ fprintf(stderr, "{");
+ if (dt->type == GL_FLOAT)
+ for (ci=0; ci < dt->size; ci++)
+ fprintf(stderr, "%f ", ((float *)out)[ci]);
+ else
+ for (ci=0; ci < dt->size; ci++)
+ fprintf(stderr, "%d ", ((unsigned char *)out)[ci]);
+ fprintf(stderr, "}");
+
+ out = (int *)((char *)out + dt->stride);
+ }
+
+ fprintf(stderr, "\n");
}
+#endif
+GLboolean r300_run_vb_render(GLcontext *ctx,
+ struct tnl_pipeline_stage *stage)
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ struct radeon_vertex_buffer *VB = &rmesa->state.VB;
+ int i;
+ LOCAL_VARS
+
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (stage) {
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ radeon_vb_to_rvb(rmesa, VB, &tnl->vb);
+ }
+
+ r300UpdateShaders(rmesa);
+ if (rmesa->state.VB.LockCount == 0 || 1) {
+ r300EmitArrays(ctx, GL_FALSE);
+
+ r300UpdateShaderStates(rmesa);
+ } else {
+ /* TODO: Figure out why do we need these. */
+ R300_STATECHANGE(rmesa, vir[0]);
+ R300_STATECHANGE(rmesa, vir[1]);
+ R300_STATECHANGE(rmesa, vic);
+ R300_STATECHANGE(rmesa, vof);
+
+#if 0
+ fprintf(stderr, "dt:\n");
+ for(i=0; i < VERT_ATTRIB_MAX; i++){
+ fprintf(stderr, "dt %d:", i);
+ dump_dt(&rmesa->state.VB.AttribPtr[i], VB->Count);
+ }
+
+ fprintf(stderr, "before:\n");
+ for(i=0; i < rmesa->state.aos_count; i++){
+ fprintf(stderr, "aos %d:", i);
+ dump_array(&rmesa->state.aos[i], VB->Count);
+ }
+#endif
+#if 0
+ r300ReleaseArrays(ctx);
+ r300EmitArrays(ctx, GL_FALSE);
+
+ fprintf(stderr, "after:\n");
+ for(i=0; i < rmesa->state.aos_count; i++){
+ fprintf(stderr, "aos %d:", i);
+ dump_array(&rmesa->state.aos[i], VB->Count);
+ }
+#endif
+ }
+
+ reg_start(R300_RB3D_DSTCACHE_CTLSTAT,0);
+ e32(0x0000000a);
+
+ reg_start(0x4f18,0);
+ e32(0x00000003);
+#if 0
+ reg_start(R300_VAP_PVS_WAITIDLE,0);
+ e32(0x00000000);
+#endif
+ r300EmitState(rmesa);
+
+ for(i=0; i < VB->PrimitiveCount; i++){
+ GLuint prim = VB->Primitive[i].mode;
+ GLuint start = VB->Primitive[i].start;
+ GLuint length = VB->Primitive[i].count;
+
+ r300_render_vb_primitive(rmesa, ctx, start, start + length, prim);
+ }
+
+ reg_start(R300_RB3D_DSTCACHE_CTLSTAT,0);
+ e32(0x0000000a/*0x2*/);
+
+ reg_start(0x4f18,0);
+ e32(0x00000003/*0x1*/);
+
+#ifdef USER_BUFFERS
+ r300UseArrays(ctx);
+#endif
+ r300ReleaseArrays(ctx);
+ return GL_FALSE;
+}
-/**
- * Called by the pipeline manager once before rendering.
- * We check the GL state here to
- * a) decide whether we can do the current state in hardware and
- * b) update hardware registers
- */
#define FALLBACK_IF(expr) \
do { \
if (expr) { \
- if (RADEON_DEBUG & DEBUG_FALLBACKS) \
- fprintf(stderr, "%s: fallback:%s\n", \
- __FUNCTION__, #expr); \
- stage->active = GL_FALSE; \
- return; \
+ if (1 || RADEON_DEBUG & DEBUG_FALLBACKS) \
+ WARN_ONCE("Software fallback:%s\n", #expr); \
+ return R300_FALLBACK_RAST; \
} \
} while(0)
-static void r300_check_render(GLcontext *ctx, struct tnl_pipeline_stage *stage)
+int r300Fallback(GLcontext *ctx)
{
- r300ContextPtr r300 = R300_CONTEXT(ctx);
int i;
- if (RADEON_DEBUG & DEBUG_STATE)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- /* We only support rendering in hardware for now */
- if (ctx->RenderMode != GL_RENDER) {
- stage->active = GL_FALSE;
- return;
- }
-
- // I failed to figure out how dither works in hardware,
- // let's just ignore it for now
- //FALLBACK_IF(ctx->Color.DitherFlag);
-
- /* I'm almost certain I forgot something here */
+ //FALLBACK_IF(ctx->RenderMode != GL_RENDER); // We do not do SELECT or FEEDBACK (yet ?)
+
+#if 0 /* These should work now.. */
+ FALLBACK_IF(ctx->Color.DitherFlag);
FALLBACK_IF(ctx->Color.AlphaEnabled); // GL_ALPHA_TEST
FALLBACK_IF(ctx->Color.BlendEnabled); // GL_BLEND
- FALLBACK_IF(ctx->Fog.Enabled); // GL_FOG
- FALLBACK_IF(ctx->Line.SmoothFlag); // GL_LINE_SMOOTH
- FALLBACK_IF(ctx->Line.StippleFlag); // GL_LINE_STIPPLE
- FALLBACK_IF(ctx->Point.SmoothFlag); // GL_POINT_SMOOTH
- if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite)
- FALLBACK_IF(ctx->Point.PointSprite); // GL_POINT_SPRITE_NV
+ FALLBACK_IF(ctx->Polygon.OffsetFill); // GL_POLYGON_OFFSET_FILL
+#endif
FALLBACK_IF(ctx->Polygon.OffsetPoint); // GL_POLYGON_OFFSET_POINT
FALLBACK_IF(ctx->Polygon.OffsetLine); // GL_POLYGON_OFFSET_LINE
- FALLBACK_IF(ctx->Polygon.OffsetFill); // GL_POLYGON_OFFSET_FILL
- FALLBACK_IF(ctx->Polygon.SmoothFlag); // GL_POLYGON_SMOOTH
+ //FALLBACK_IF(ctx->Stencil.Enabled); // GL_STENCIL_TEST
+
+ //FALLBACK_IF(ctx->Fog.Enabled); // GL_FOG disable as swtcl doesnt seem to support this
+ //FALLBACK_IF(ctx->Polygon.SmoothFlag); // GL_POLYGON_SMOOTH disabling to get blender going
FALLBACK_IF(ctx->Polygon.StippleFlag); // GL_POLYGON_STIPPLE
- FALLBACK_IF(ctx->Stencil.Enabled); // GL_STENCIL_TEST
FALLBACK_IF(ctx->Multisample.Enabled); // GL_MULTISAMPLE_ARB
+
+
+ FALLBACK_IF(ctx->Line.StippleFlag);
+
+ /* HW doesnt appear to directly support these */
+ FALLBACK_IF(ctx->Line.SmoothFlag); // GL_LINE_SMOOTH
+ FALLBACK_IF(ctx->Point.SmoothFlag); // GL_POINT_SMOOTH
+ /* Rest could be done with vertex fragments */
+ if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite)
+ FALLBACK_IF(ctx->Point.PointSprite); // GL_POINT_SPRITE_NV
for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
- FALLBACK_IF(ctx->Texture.Unit[i].Enabled);
+ if (ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_RECT_BIT)
+ return R300_FALLBACK_TCL;
+
+ return R300_FALLBACK_NONE;
+}
+/**
+ * Called by the pipeline manager to render a batch of primitives.
+ * We can return true to pass on to the next stage (i.e. software
+ * rasterization) or false to indicate that the pipeline has finished
+ * after we render something.
+ */
+static GLboolean r300_run_render(GLcontext *ctx,
+ struct tnl_pipeline_stage *stage)
+{
- /* let r300_run_render do its job */
- #if 0
- stage->active = GL_FALSE;
- #endif
-}
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+ if (r300Fallback(ctx) >= R300_FALLBACK_RAST)
+ return GL_TRUE;
-static void dtr(struct tnl_pipeline_stage *stage)
-{
- (void)stage;
+ return r300_run_vb_render(ctx, stage);
}
const struct tnl_pipeline_stage _r300_render_stage = {
"r300 hw rasterize",
- _NEW_ALL, /* re-check (always re-check for now) */
- 0, /* re-run (always runs) */
- GL_TRUE, /* active */
- 0, 0, /* inputs (set in check_render), outputs */
- 0, 0, /* changed_inputs, private */
- dtr, /* destructor */
- r300_check_render, /* check */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
r300_run_render /* run */
};
+
+static GLboolean r300_run_tcl_render(GLcontext *ctx,
+ struct tnl_pipeline_stage *stage)
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ struct r300_vertex_program *vp;
+
+ hw_tcl_on=future_hw_tcl_on;
+
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+ if(hw_tcl_on == GL_FALSE)
+ return GL_TRUE;
+
+ if (r300Fallback(ctx) >= R300_FALLBACK_TCL) {
+ hw_tcl_on = GL_FALSE;
+ return GL_TRUE;
+ }
+
+ r300UpdateShaders(rmesa);
+
+ vp = (struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx);
+#if 0 /* Draw every second request with software arb vp */
+ vp->native++;
+ vp->native &= 1;
+ //vp->native = GL_FALSE;
+#endif
+
+#if 0 /* You dont want to know what this does... */
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct tnl_cache *cache;
+ struct tnl_cache_item *c;
+
+ cache = tnl->vp_cache;
+ c = cache->items[0xc000cc0e % cache->size];
+
+ if(c && c->data == vp)
+ vp->native = GL_FALSE;
+
+#endif
+#if 0
+ vp->native = GL_FALSE;
+#endif
+ if (vp->native == GL_FALSE) {
+ hw_tcl_on = GL_FALSE;
+ return GL_TRUE;
+ }
+ //r300UpdateShaderStates(rmesa);
+
+ return r300_run_vb_render(ctx, stage);
+}
+
+const struct tnl_pipeline_stage _r300_tcl_stage = {
+ "r300 tcl",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ r300_run_tcl_render /* run */
+};
+
+/* R300 texture rectangle expects coords in 0..1 range, not 0..dimension
+ * as in the extension spec. Need to translate here.
+ *
+ * Note that swrast expects 0..dimension, so if a fallback is active,
+ * don't do anything. (Maybe need to configure swrast to match hw)
+ */
+struct texrect_stage_data {
+ GLvector4f texcoord[MAX_TEXTURE_UNITS];
+};
+
+#define TEXRECT_STAGE_DATA(stage) ((struct texrect_stage_data *)stage->privatePtr)
+
+
+static GLboolean run_texrect_stage( GLcontext *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct texrect_stage_data *store = TEXRECT_STAGE_DATA(stage);
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint i;
+
+ if (rmesa->radeon.Fallback)
+ return GL_TRUE;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) {
+ if (ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_RECT_BIT) {
+ struct gl_texture_object *texObj = ctx->Texture.Unit[i].CurrentRect;
+ struct gl_texture_image *texImage = texObj->Image[0][texObj->BaseLevel];
+ const GLfloat iw = 1.0/texImage->Width;
+ const GLfloat ih = 1.0/texImage->Height;
+ GLfloat *in = (GLfloat *)VB->TexCoordPtr[i]->data;
+ GLint instride = VB->TexCoordPtr[i]->stride;
+ GLfloat (*out)[4] = store->texcoord[i].data;
+ GLint j;
+
+ store->texcoord[i].size = VB->TexCoordPtr[i]->size;
+ for (j = 0 ; j < VB->Count ; j++) {
+ switch (VB->TexCoordPtr[i]->size) {
+ case 4:
+ out[j][3] = in[3];
+ /* fallthrough */
+ case 3:
+ out[j][2] = in[2];
+ /* fallthrough */
+ default:
+ out[j][0] = in[0] * iw;
+ out[j][1] = in[1] * ih;
+ }
+ in = (GLfloat *)((GLubyte *)in + instride);
+ }
+
+ VB->AttribPtr[VERT_ATTRIB_TEX0+i] = VB->TexCoordPtr[i] = &store->texcoord[i];
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+/* Called the first time stage->run() is invoked.
+ */
+static GLboolean alloc_texrect_data( GLcontext *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct texrect_stage_data *store;
+ GLuint i;
+
+ stage->privatePtr = CALLOC(sizeof(*store));
+ store = TEXRECT_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
+ _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
+
+ return GL_TRUE;
+}
+
+static void free_texrect_data( struct tnl_pipeline_stage *stage )
+{
+ struct texrect_stage_data *store = TEXRECT_STAGE_DATA(stage);
+ GLuint i;
+
+ if (store) {
+ for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
+ if (store->texcoord[i].data)
+ _mesa_vector4f_free( &store->texcoord[i] );
+ FREE( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+const struct tnl_pipeline_stage _r300_texrect_stage =
+{
+ "r300 texrect stage", /* name */
+ NULL,
+ alloc_texrect_data,
+ free_texrect_data,
+ NULL,
+ run_texrect_stage
+};
+