r600g: implement fragment and vertex color clamp
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=38440 Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
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d81126b714
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eafd331cf3
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@ -256,6 +256,8 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
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}
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rstate = &rs->rstate;
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rs->clamp_vertex_color = state->clamp_vertex_color;
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rs->clamp_fragment_color = state->clamp_fragment_color;
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rs->flatshade = state->flatshade;
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rs->sprite_coord_enable = state->sprite_coord_enable;
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@ -377,6 +377,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
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case PIPE_CAP_SM3:
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case PIPE_CAP_SEAMLESS_CUBE_MAP:
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case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL:
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return 1;
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/* Supported except the original R600. */
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@ -392,7 +393,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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/* Unsupported features. */
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case PIPE_CAP_STREAM_OUTPUT:
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case PIPE_CAP_PRIMITIVE_RESTART:
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case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL:
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case PIPE_CAP_TGSI_INSTANCEID:
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case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
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case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
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@ -88,6 +88,8 @@ struct r600_pipe_sampler_view {
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struct r600_pipe_rasterizer {
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struct r600_pipe_state rstate;
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boolean clamp_vertex_color;
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boolean clamp_fragment_color;
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boolean flatshade;
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unsigned sprite_coord_enable;
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float offset_units;
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@ -125,6 +127,7 @@ struct r600_pipe_shader {
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struct r600_bo *bo;
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struct r600_bo *bo_fetch;
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struct r600_vertex_element vertex_elements;
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struct tgsi_token *tokens;
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};
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struct r600_pipe_sampler_state {
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@ -202,6 +205,8 @@ struct r600_pipe_context {
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struct pipe_query *saved_render_cond;
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unsigned saved_render_cond_mode;
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/* shader information */
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boolean clamp_vertex_color;
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boolean clamp_fragment_color;
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boolean spi_dirty;
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unsigned sprite_coord_enable;
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boolean flatshade;
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@ -265,7 +270,7 @@ void r600_init_query_functions(struct r600_pipe_context *rctx);
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void r600_init_context_resource_functions(struct r600_pipe_context *r600);
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/* r600_shader.c */
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int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader, const struct tgsi_token *tokens);
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int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
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void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
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int r600_find_vs_semantic_index(struct r600_shader *vs,
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struct r600_shader *ps, int id);
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@ -118,9 +118,9 @@ static int r600_pipe_shader(struct pipe_context *ctx, struct r600_pipe_shader *s
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return 0;
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}
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static int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader);
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static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pipe_shader *pipeshader);
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int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader, const struct tgsi_token *tokens)
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int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader)
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{
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static int dump_shaders = -1;
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struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
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@ -133,10 +133,10 @@ int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *s
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if (dump_shaders) {
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fprintf(stderr, "--------------------------------------------------------------\n");
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tgsi_dump(tokens, 0);
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tgsi_dump(shader->tokens, 0);
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}
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shader->shader.family = r600_get_family(rctx->radeon);
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r = r600_shader_from_tgsi(tokens, &shader->shader);
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r = r600_shader_from_tgsi(rctx, shader);
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if (r) {
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R600_ERR("translation from TGSI failed !\n");
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return r;
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@ -159,6 +159,8 @@ void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader
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r600_bo_reference(rctx->radeon, &shader->bo, NULL);
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r600_bc_clear(&shader->shader.bc);
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memset(&shader->shader,0,sizeof(struct r600_shader));
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}
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/*
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@ -594,8 +596,10 @@ static int tgsi_split_literal_constant(struct r600_shader_ctx *ctx)
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return 0;
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}
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static int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *shader)
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static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pipe_shader *pipeshader)
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{
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struct r600_shader *shader = &pipeshader->shader;
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struct tgsi_token *tokens = pipeshader->tokens;
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struct tgsi_full_immediate *immediate;
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struct tgsi_full_property *property;
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struct r600_shader_ctx ctx;
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@ -616,6 +620,9 @@ static int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_sh
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shader->processor_type = ctx.type;
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ctx.bc->type = shader->processor_type;
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shader->clamp_color = (((ctx.type == TGSI_PROCESSOR_FRAGMENT) && rctx->clamp_fragment_color) ||
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((ctx.type == TGSI_PROCESSOR_VERTEX) && rctx->clamp_vertex_color));
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/* register allocations */
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/* Values [0,127] correspond to GPR[0..127].
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* Values [128,159] correspond to constant buffer bank 0
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@ -725,8 +732,41 @@ static int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_sh
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goto out_err;
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}
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}
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/* export output */
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noutput = shader->noutput;
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/* clamp color outputs */
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if (shader->clamp_color) {
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for (i = 0; i < noutput; i++) {
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if (shader->output[i].name == TGSI_SEMANTIC_COLOR ||
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shader->output[i].name == TGSI_SEMANTIC_BCOLOR) {
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int j;
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for (j = 0; j < 4; j++) {
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struct r600_bc_alu alu;
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memset(&alu, 0, sizeof(struct r600_bc_alu));
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/* MOV_SAT R, R */
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alu.inst = BC_INST(ctx.bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV);
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alu.dst.sel = shader->output[i].gpr;
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alu.dst.chan = j;
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alu.dst.write = 1;
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alu.dst.clamp = 1;
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alu.src[0].sel = alu.dst.sel;
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alu.src[0].chan = j;
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if (j == 3) {
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alu.last = 1;
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}
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r = r600_bc_add_alu(ctx.bc, &alu);
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if (r)
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return r;
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}
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}
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}
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}
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/* export output */
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for (i = 0, pos0 = 0; i < noutput; i++) {
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memset(&output[i], 0, sizeof(struct r600_bc_output));
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output[i].gpr = shader->output[i].gpr;
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@ -46,6 +46,7 @@ struct r600_shader {
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enum radeon_family family;
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boolean uses_kill;
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boolean fs_write_all;
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boolean clamp_color;
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};
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#endif
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@ -299,6 +299,8 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
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}
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rstate = &rs->rstate;
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rs->clamp_vertex_color = state->clamp_vertex_color;
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rs->clamp_fragment_color = state->clamp_fragment_color;
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rs->flatshade = state->flatshade;
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rs->sprite_coord_enable = state->sprite_coord_enable;
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@ -28,6 +28,7 @@
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#include <util/u_format.h>
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#include <pipebuffer/pb_buffer.h>
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#include "pipe/p_shader_tokens.h"
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#include "tgsi/tgsi_parse.h"
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#include "r600_formats.h"
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#include "r600_pipe.h"
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#include "r600d.h"
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@ -99,6 +100,8 @@ void r600_bind_rs_state(struct pipe_context *ctx, void *state)
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if (state == NULL)
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return;
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rctx->clamp_vertex_color = rs->clamp_vertex_color;
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rctx->clamp_fragment_color = rs->clamp_fragment_color;
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rctx->flatshade = rs->flatshade;
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rctx->sprite_coord_enable = rs->sprite_coord_enable;
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rctx->rasterizer = rs;
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@ -257,7 +260,9 @@ void *r600_create_shader_state(struct pipe_context *ctx,
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struct r600_pipe_shader *shader = CALLOC_STRUCT(r600_pipe_shader);
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int r;
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r = r600_pipe_shader_create(ctx, shader, state->tokens);
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shader->tokens = tgsi_dup_tokens(state->tokens);
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r = r600_pipe_shader_create(ctx, shader);
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if (r) {
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return NULL;
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}
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@ -303,6 +308,7 @@ void r600_delete_ps_shader(struct pipe_context *ctx, void *state)
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rctx->ps_shader = NULL;
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}
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free(shader->tokens);
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r600_pipe_shader_destroy(ctx, shader);
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free(shader);
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}
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@ -316,6 +322,7 @@ void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
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rctx->vs_shader = NULL;
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}
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free(shader->tokens);
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r600_pipe_shader_destroy(ctx, shader);
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free(shader);
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}
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@ -531,6 +538,21 @@ static void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
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}
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}
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static int r600_shader_rebuild(struct pipe_context * ctx, struct r600_pipe_shader * shader)
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{
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struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
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int r;
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r600_pipe_shader_destroy(ctx, shader);
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r = r600_pipe_shader_create(ctx, shader);
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if (r) {
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return r;
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}
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r600_context_pipe_state_set(&rctx->ctx, &shader->rstate);
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return 0;
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}
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void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
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{
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struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
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@ -574,6 +596,12 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
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if (r600_conv_pipe_prim(draw.info.mode, &prim))
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return;
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if (rctx->vs_shader->shader.clamp_color != rctx->clamp_vertex_color)
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r600_shader_rebuild(ctx, rctx->vs_shader);
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if (rctx->ps_shader->shader.clamp_color != rctx->clamp_fragment_color)
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r600_shader_rebuild(ctx, rctx->ps_shader);
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if (rctx->spi_dirty)
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r600_spi_update(rctx);
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