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python: Set default state.

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This commit is contained in:
José Fonseca
2008-07-14 11:38:44 +09:00
parent 05a23e6c6f
commit 3679f69023
3 changed files with 116 additions and 10 deletions
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2
src/gallium/state_trackers/python/gallium.i
View File

@@ -266,6 +266,8 @@ struct st_context {
void set_sampler_texture(unsigned index,
struct pipe_texture *texture) {
if(!texture)
texture = $self->default_texture;
pipe_texture_reference(&$self->sampler_textures[index], texture);
$self->pipe->set_sampler_textures($self->pipe,
PIPE_MAX_SAMPLERS,

118
src/gallium/state_trackers/python/st_device.c
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@@ -111,6 +111,7 @@ st_context_destroy(struct st_context *st_ctx)
for(i = 0; i < PIPE_MAX_SAMPLERS; ++i)
pipe_texture_reference(&st_ctx->sampler_textures[i], NULL);
pipe_texture_reference(&st_ctx->default_texture, NULL);
FREE(st_ctx);
@@ -140,8 +141,111 @@ st_context_create(struct st_device *st_dev)
if(!st_ctx->cso)
st_context_destroy(st_ctx);
/* disabled blending/masking */
{
struct pipe_blend_state blend;
memset(&blend, 0, sizeof(blend));
blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.colormask = PIPE_MASK_RGBA;
cso_set_blend(st_ctx->cso, &blend);
}
/* no-op depth/stencil/alpha */
{
struct pipe_depth_stencil_alpha_state depthstencil;
memset(&depthstencil, 0, sizeof(depthstencil));
cso_set_depth_stencil_alpha(st_ctx->cso, &depthstencil);
}
/* rasterizer */
{
struct pipe_rasterizer_state rasterizer;
memset(&rasterizer, 0, sizeof(rasterizer));
rasterizer.front_winding = PIPE_WINDING_CW;
rasterizer.cull_mode = PIPE_WINDING_NONE;
rasterizer.bypass_clipping = 1;
/*rasterizer.bypass_vs = 1;*/
cso_set_rasterizer(st_ctx->cso, &rasterizer);
}
/* identity viewport */
{
struct pipe_viewport_state viewport;
viewport.scale[0] = 1.0;
viewport.scale[1] = 1.0;
viewport.scale[2] = 1.0;
viewport.scale[3] = 1.0;
viewport.translate[0] = 0.0;
viewport.translate[1] = 0.0;
viewport.translate[2] = 0.0;
viewport.translate[3] = 0.0;
cso_set_viewport(st_ctx->cso, &viewport);
}
/* samplers */
{
struct pipe_sampler_state sampler;
unsigned i;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
sampler.normalized_coords = 1;
for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
cso_single_sampler(st_ctx->cso, i, &sampler);
cso_single_sampler_done(st_ctx->cso);
}
/* default textures */
{
struct pipe_screen *screen = st_dev->screen;
struct pipe_texture templat;
struct pipe_surface *surface;
unsigned i;
memset( &templat, 0, sizeof( templat ) );
templat.target = PIPE_TEXTURE_2D;
templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
templat.block.size = 4;
templat.block.width = 1;
templat.block.height = 1;
templat.width[0] = 1;
templat.height[0] = 1;
templat.depth[0] = 1;
templat.last_level = 0;
st_ctx->default_texture = screen->texture_create( screen, &templat );
if(st_ctx->default_texture) {
surface = screen->get_tex_surface( screen,
st_ctx->default_texture, 0, 0, 0,
PIPE_BUFFER_USAGE_CPU_WRITE );
if(surface) {
uint32_t *map;
map = (uint32_t *) pipe_surface_map(surface, PIPE_BUFFER_USAGE_CPU_WRITE );
if(map) {
*map = 0x00000000;
pipe_surface_unmap( surface );
}
pipe_surface_reference(&surface, NULL);
}
}
for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
pipe_texture_reference(&st_ctx->sampler_textures[i], st_ctx->default_texture);
cso_set_sampler_textures(st_ctx->cso, PIPE_MAX_SAMPLERS, st_ctx->sampler_textures);
}
/* vertex shader */
{
struct pipe_shader_state vert_shader;
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
TGSI_SEMANTIC_GENERIC };
const uint semantic_indexes[] = { 0, 0 };
@@ -149,15 +253,17 @@ st_context_create(struct st_device *st_dev)
2,
semantic_names,
semantic_indexes,
&st_ctx->vert_shader);
&vert_shader);
cso_set_vertex_shader_handle(st_ctx->cso, st_ctx->vs);
}
/* fragment shader */
st_ctx->fs = util_make_fragment_passthrough_shader(st_ctx->pipe,
&st_ctx->frag_shader);
cso_set_fragment_shader_handle(st_ctx->cso, st_ctx->fs);
cso_set_vertex_shader_handle(st_ctx->cso, st_ctx->vs);
{
struct pipe_shader_state frag_shader;
st_ctx->fs = util_make_fragment_passthrough_shader(st_ctx->pipe,
&frag_shader);
cso_set_fragment_shader_handle(st_ctx->cso, st_ctx->fs);
}
return st_ctx;
}

4
src/gallium/state_trackers/python/st_device.h
View File

@@ -45,12 +45,10 @@ struct st_context {
struct cso_context *cso;
struct pipe_shader_state vert_shader;
struct pipe_shader_state frag_shader;
void *vs;
void *fs;
struct pipe_texture *default_texture;
struct pipe_texture *sampler_textures[PIPE_MAX_SAMPLERS];
struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];