[Mesa-dev] [PATCH 12/17] i965/vs: Rework vs_emit to take a nir_shader and a brw_compiler
Jason Ekstrand
jason at jlekstrand.net
Thu Oct 8 17:22:44 PDT 2015
This commit removes all dependence on GL state by getting rid of the
brw_context parameter and the GL data structures.
---
src/mesa/drivers/dri/i965/brw_vec4.cpp | 67 +++++++++++++---------------------
src/mesa/drivers/dri/i965/brw_vs.c | 14 ++++++-
src/mesa/drivers/dri/i965/brw_vs.h | 11 ++++--
3 files changed, 44 insertions(+), 48 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 4b03967..d6549de 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1937,51 +1937,41 @@ extern "C" {
* Returns the final assembly and the program's size.
*/
const unsigned *
-brw_vs_emit(struct brw_context *brw,
+brw_vs_emit(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
const struct brw_vs_prog_key *key,
struct brw_vs_prog_data *prog_data,
- struct gl_vertex_program *vp,
- struct gl_shader_program *prog,
+ const nir_shader *shader,
+ gl_clip_plane *clip_planes,
int shader_time_index,
- unsigned *final_assembly_size)
+ unsigned *final_assembly_size,
+ char **error_str)
{
const unsigned *assembly = NULL;
- if (brw->intelScreen->compiler->scalar_vs) {
+ if (compiler->scalar_vs) {
prog_data->base.dispatch_mode = DISPATCH_MODE_SIMD8;
- fs_visitor v(brw->intelScreen->compiler, brw,
- mem_ctx, key, &prog_data->base.base,
+ fs_visitor v(compiler, log_data, mem_ctx, key, &prog_data->base.base,
NULL, /* prog; Only used for TEXTURE_RECTANGLE on gen < 8 */
- vp->Base.nir, 8, shader_time_index);
- if (!v.run_vs(brw_select_clip_planes(&brw->ctx))) {
- if (prog) {
- prog->LinkStatus = false;
- ralloc_strcat(&prog->InfoLog, v.fail_msg);
- }
-
- _mesa_problem(NULL, "Failed to compile vertex shader: %s\n",
- v.fail_msg);
+ shader, 8, shader_time_index);
+ if (!v.run_vs(clip_planes)) {
+ if (error_str)
+ *error_str = ralloc_strdup(mem_ctx, v.fail_msg);
return NULL;
}
- fs_generator g(brw->intelScreen->compiler, brw,
- mem_ctx, (void *) key, &prog_data->base.base,
- v.promoted_constants,
+ fs_generator g(compiler, log_data, mem_ctx, (void *) key,
+ &prog_data->base.base, v.promoted_constants,
v.runtime_check_aads_emit, "VS");
if (INTEL_DEBUG & DEBUG_VS) {
- char *name;
- if (prog) {
- name = ralloc_asprintf(mem_ctx, "%s vertex shader %d",
- prog->Label ? prog->Label : "unnamed",
- prog->Name);
- } else {
- name = ralloc_asprintf(mem_ctx, "vertex program %d",
- vp->Base.Id);
- }
- g.enable_debug(name);
+ const char *debug_name =
+ ralloc_asprintf(mem_ctx, "%s vertex shader %s",
+ shader->info.label ? shader->info.label : "unnamed",
+ shader->info.name);
+
+ g.enable_debug(debug_name);
}
g.generate_code(v.cfg, 8);
assembly = g.get_assembly(final_assembly_size);
@@ -1990,25 +1980,18 @@ brw_vs_emit(struct brw_context *brw,
if (!assembly) {
prog_data->base.dispatch_mode = DISPATCH_MODE_4X2_DUAL_OBJECT;
- vec4_vs_visitor v(brw->intelScreen->compiler, brw, key, prog_data,
- vp->Base.nir, brw_select_clip_planes(&brw->ctx),
- mem_ctx, shader_time_index);
+ vec4_vs_visitor v(compiler, log_data, key, prog_data,
+ shader, clip_planes, mem_ctx, shader_time_index);
if (!v.run()) {
- if (prog) {
- prog->LinkStatus = false;
- ralloc_strcat(&prog->InfoLog, v.fail_msg);
- }
-
- _mesa_problem(NULL, "Failed to compile vertex shader: %s\n",
- v.fail_msg);
+ if (error_str)
+ *error_str = ralloc_strdup(mem_ctx, v.fail_msg);
return NULL;
}
- vec4_generator g(brw->intelScreen->compiler, brw,
- &prog_data->base,
+ vec4_generator g(compiler, log_data, &prog_data->base,
mem_ctx, INTEL_DEBUG & DEBUG_VS, "vertex", "VS");
- assembly = g.generate_assembly(v.cfg, final_assembly_size, vp->Base.nir);
+ assembly = g.generate_assembly(v.cfg, final_assembly_size, shader);
}
return assembly;
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index ecaeefa..f54c9a3 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -180,9 +180,19 @@ brw_codegen_vs_prog(struct brw_context *brw,
/* Emit GEN4 code.
*/
- program = brw_vs_emit(brw, mem_ctx, key, &prog_data,
- &vp->program, prog, st_index, &program_size);
+ char *error_str;
+ program = brw_vs_emit(brw->intelScreen->compiler, brw, mem_ctx, key,
+ &prog_data, vp->program.Base.nir,
+ brw_select_clip_planes(&brw->ctx),
+ st_index, &program_size, &error_str);
if (program == NULL) {
+ if (prog) {
+ prog->LinkStatus = false;
+ ralloc_strcat(&prog->InfoLog, error_str);
+ }
+
+ _mesa_problem(NULL, "Failed to compile vertex shader: %s\n", error_str);
+
ralloc_free(mem_ctx);
return false;
}
diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index 8cf9fa1..fa6642c 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -54,14 +54,17 @@
extern "C" {
#endif
-const unsigned *brw_vs_emit(struct brw_context *brw,
+struct nir_shader;
+
+const unsigned *brw_vs_emit(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
const struct brw_vs_prog_key *key,
struct brw_vs_prog_data *prog_data,
- struct gl_vertex_program *vp,
- struct gl_shader_program *shader_prog,
+ const struct nir_shader *shader,
+ gl_clip_plane *clip_planes,
int shader_time_index,
- unsigned *program_size);
+ unsigned *final_assembly_size,
+ char **error_str);
void brw_vs_debug_recompile(struct brw_context *brw,
struct gl_shader_program *prog,
const struct brw_vs_prog_key *key);
--
2.5.0.400.gff86faf
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