#include "brw_state.h"
#include "brw_clip.h"
-
#define FRONT_UNFILLED_BIT 0x1
#define BACK_UNFILLED_BIT 0x2
static void compile_clip_prog( struct brw_context *brw,
struct brw_clip_prog_key *key )
{
+ struct intel_context *intel = &brw->intel;
struct brw_clip_compile c;
const GLuint *program;
GLuint program_size;
c.key = *key;
-
/* Need to locate the two positions present in vertex + header.
* These are currently hardcoded:
*/
c.header_position_offset = ATTR_SIZE;
- for (i = 0, delta = REG_SIZE; i < VERT_RESULT_MAX; i++)
- if (c.key.attrs & (1<<i)) {
+ if (intel->gen == 5)
+ delta = 3 * REG_SIZE;
+ else
+ delta = REG_SIZE;
+
+ for (i = 0; i < VERT_RESULT_MAX; i++)
+ if (c.key.attrs & BITFIELD64_BIT(i)) {
c.offset[i] = delta;
delta += ATTR_SIZE;
}
c.nr_attrs = brw_count_bits(c.key.attrs);
- c.nr_regs = (c.nr_attrs + 1) / 2 + 1; /* are vertices packed, or reg-aligned? */
+
+ if (intel->gen == 5)
+ c.nr_regs = (c.nr_attrs + 1) / 2 + 3; /* are vertices packed, or reg-aligned? */
+ else
+ c.nr_regs = (c.nr_attrs + 1) / 2 + 1; /* are vertices packed, or reg-aligned? */
+
c.nr_bytes = c.nr_regs * REG_SIZE;
c.prog_data.clip_mode = c.key.clip_mode; /* XXX */
*/
program = brw_get_program(&c.func, &program_size);
+ if (INTEL_DEBUG & DEBUG_CLIP) {
+ printf("clip:\n");
+ for (i = 0; i < program_size / sizeof(struct brw_instruction); i++)
+ brw_disasm(stdout, &((struct brw_instruction *)program)[i],
+ intel->gen);
+ printf("\n");
+ }
+
/* Upload
*/
dri_bo_unreference(brw->clip.prog_bo);
- brw->clip.prog_bo = brw_upload_cache( &brw->cache,
- BRW_CLIP_PROG,
- &c.key, sizeof(c.key),
- NULL, 0,
- program, program_size,
- &c.prog_data,
- &brw->clip.prog_data );
+ brw->clip.prog_bo = brw_upload_cache_with_auxdata(&brw->cache,
+ BRW_CLIP_PROG,
+ &c.key, sizeof(c.key),
+ NULL, 0,
+ program, program_size,
+ &c.prog_data,
+ sizeof(c.prog_data),
+ &brw->clip.prog_data);
}
/* Calculate interpolants for triangle and line rasterization.
*/
static void upload_clip_prog(struct brw_context *brw)
{
- GLcontext *ctx = &brw->intel.ctx;
+ struct intel_context *intel = &brw->intel;
+ GLcontext *ctx = &intel->ctx;
struct brw_clip_prog_key key;
memset(&key, 0, sizeof(key));
/* CACHE_NEW_VS_PROG */
key.attrs = brw->vs.prog_data->outputs_written;
/* _NEW_LIGHT */
- key.do_flat_shading = (brw->attribs.Light->ShadeModel == GL_FLAT);
+ key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
+ key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
/* _NEW_TRANSFORM */
- key.nr_userclip = brw_count_bits(brw->attribs.Transform->ClipPlanesEnabled);
- key.clip_mode = BRW_CLIPMODE_NORMAL;
+ key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled);
+
+ if (intel->gen == 5)
+ key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
+ else
+ key.clip_mode = BRW_CLIPMODE_NORMAL;
/* _NEW_POLYGON */
if (key.primitive == GL_TRIANGLES) {
- if (brw->attribs.Polygon->CullFaceMode == GL_FRONT_AND_BACK)
+ if (ctx->Polygon.CullFlag &&
+ ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
else {
GLuint fill_front = CLIP_CULL;
GLuint offset_front = 0;
GLuint offset_back = 0;
- if (!brw->attribs.Polygon->CullFlag ||
- brw->attribs.Polygon->CullFaceMode != GL_FRONT) {
- switch (brw->attribs.Polygon->FrontMode) {
+ if (!ctx->Polygon.CullFlag ||
+ ctx->Polygon.CullFaceMode != GL_FRONT) {
+ switch (ctx->Polygon.FrontMode) {
case GL_FILL:
fill_front = CLIP_FILL;
offset_front = 0;
break;
case GL_LINE:
fill_front = CLIP_LINE;
- offset_front = brw->attribs.Polygon->OffsetLine;
+ offset_front = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_front = CLIP_POINT;
- offset_front = brw->attribs.Polygon->OffsetPoint;
+ offset_front = ctx->Polygon.OffsetPoint;
break;
}
}
- if (!brw->attribs.Polygon->CullFlag ||
- brw->attribs.Polygon->CullFaceMode != GL_BACK) {
- switch (brw->attribs.Polygon->BackMode) {
+ if (!ctx->Polygon.CullFlag ||
+ ctx->Polygon.CullFaceMode != GL_BACK) {
+ switch (ctx->Polygon.BackMode) {
case GL_FILL:
fill_back = CLIP_FILL;
offset_back = 0;
break;
case GL_LINE:
fill_back = CLIP_LINE;
- offset_back = brw->attribs.Polygon->OffsetLine;
+ offset_back = ctx->Polygon.OffsetLine;
break;
case GL_POINT:
fill_back = CLIP_POINT;
- offset_back = brw->attribs.Polygon->OffsetPoint;
+ offset_back = ctx->Polygon.OffsetPoint;
break;
}
}
- if (brw->attribs.Polygon->BackMode != GL_FILL ||
- brw->attribs.Polygon->FrontMode != GL_FILL) {
+ if (ctx->Polygon.BackMode != GL_FILL ||
+ ctx->Polygon.FrontMode != GL_FILL) {
key.do_unfilled = 1;
/* Most cases the fixed function units will handle. Cases where
if (offset_back || offset_front) {
/* _NEW_POLYGON, _NEW_BUFFERS */
- key.offset_units = brw->attribs.Polygon->OffsetUnits * brw->intel.polygon_offset_scale;
- key.offset_factor = brw->attribs.Polygon->OffsetFactor * ctx->DrawBuffer->_MRD;
+ key.offset_units = ctx->Polygon.OffsetUnits * brw->intel.polygon_offset_scale;
+ key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD;
}
- switch (brw->attribs.Polygon->FrontFace) {
+ switch (ctx->Polygon.FrontFace) {
case GL_CCW:
key.fill_ccw = fill_front;
key.fill_cw = fill_back;
key.offset_ccw = offset_front;
key.offset_cw = offset_back;
- if (brw->attribs.Light->Model.TwoSide &&
+ if (ctx->Light.Model.TwoSide &&
key.fill_cw != CLIP_CULL)
key.copy_bfc_cw = 1;
break;
key.fill_ccw = fill_back;
key.offset_cw = offset_front;
key.offset_ccw = offset_back;
- if (brw->attribs.Light->Model.TwoSide &&
+ if (ctx->Light.Model.TwoSide &&
key.fill_ccw != CLIP_CULL)
key.copy_bfc_ccw = 1;
break;
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