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#define VL_INTERNAL
#include "vl_context.h"
#include <assert.h>
#include <stdlib.h>
#include <pipe/p_context.h>
#include <pipe/p_state.h>
#include "vl_render.h"
#include "vl_r16snorm_mc.h"
#include "vl_csc.h"
#include "vl_basic_csc.h"
static int vlInitCommon(struct vlContext *context)
{
struct pipe_context *pipe;
struct pipe_rasterizer_state rast;
struct pipe_blend_state blend;
struct pipe_depth_stencil_alpha_state dsa;
unsigned int i;
assert(context);
pipe = context->pipe;
rast.flatshade = 1;
rast.flatshade_first = 0;
rast.light_twoside = 0;
rast.front_winding = PIPE_WINDING_CCW;
rast.cull_mode = PIPE_WINDING_CW;
rast.fill_cw = PIPE_POLYGON_MODE_FILL;
rast.fill_ccw = PIPE_POLYGON_MODE_FILL;
rast.offset_cw = 0;
rast.offset_ccw = 0;
rast.scissor = 0;
rast.poly_smooth = 0;
rast.poly_stipple_enable = 0;
rast.point_sprite = 0;
rast.point_size_per_vertex = 0;
rast.multisample = 0;
rast.line_smooth = 0;
rast.line_stipple_enable = 0;
rast.line_stipple_factor = 0;
rast.line_stipple_pattern = 0;
rast.line_last_pixel = 0;
/* Don't need clipping, but viewport mapping done here */
rast.bypass_clipping = 0;
rast.bypass_vs = 0;
rast.origin_lower_left = 0;
rast.line_width = 1;
rast.point_smooth = 0;
rast.point_size = 1;
rast.offset_units = 1;
rast.offset_scale = 1;
/*rast.sprite_coord_mode[i] = ;*/
context->raster = pipe->create_rasterizer_state(pipe, &rast);
pipe->bind_rasterizer_state(pipe, context->raster);
blend.blend_enable = 0;
blend.rgb_func = PIPE_BLEND_ADD;
blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_func = PIPE_BLEND_ADD;
blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
blend.logicop_enable = 0;
blend.logicop_func = PIPE_LOGICOP_CLEAR;
/* Needed to allow color writes to FB, even if blending disabled */
blend.colormask = PIPE_MASK_RGBA;
blend.dither = 0;
context->blend = pipe->create_blend_state(pipe, &blend);
pipe->bind_blend_state(pipe, context->blend);
dsa.depth.enabled = 0;
dsa.depth.writemask = 0;
dsa.depth.func = PIPE_FUNC_ALWAYS;
dsa.depth.occlusion_count = 0;
for (i = 0; i < 2; ++i)
{
dsa.stencil[i].enabled = 0;
dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].ref_value = 0;
dsa.stencil[i].value_mask = 0;
dsa.stencil[i].write_mask = 0;
}
dsa.alpha.enabled = 0;
dsa.alpha.func = PIPE_FUNC_ALWAYS;
dsa.alpha.ref = 0;
context->dsa = pipe->create_depth_stencil_alpha_state(pipe, &dsa);
pipe->bind_depth_stencil_alpha_state(pipe, context->dsa);
return 0;
}
int vlCreateContext
(
struct vlScreen *screen,
struct pipe_context *pipe,
unsigned int picture_width,
unsigned int picture_height,
enum vlFormat picture_format,
enum vlProfile profile,
enum vlEntryPoint entry_point,
struct vlContext **context
)
{
struct vlContext *ctx;
assert(screen);
assert(context);
assert(pipe);
ctx = calloc(1, sizeof(struct vlContext));
if (!ctx)
return 1;
ctx->screen = screen;
ctx->pipe = pipe;
ctx->picture_width = picture_width;
ctx->picture_height = picture_height;
ctx->picture_format = picture_format;
ctx->profile = profile;
ctx->entry_point = entry_point;
vlInitCommon(ctx);
vlCreateR16SNormMC(pipe, picture_width, picture_height, picture_format, &ctx->render);
vlCreateBasicCSC(pipe, &ctx->csc);
*context = ctx;
return 0;
}
int vlDestroyContext
(
struct vlContext *context
)
{
assert(context);
/* XXX: Must unbind shaders before we can delete them for some reason */
context->pipe->bind_vs_state(context->pipe, NULL);
context->pipe->bind_fs_state(context->pipe, NULL);
context->render->vlDestroy(context->render);
context->csc->vlDestroy(context->csc);
context->pipe->delete_blend_state(context->pipe, context->blend);
context->pipe->delete_rasterizer_state(context->pipe, context->raster);
context->pipe->delete_depth_stencil_alpha_state(context->pipe, context->dsa);
free(context);
return 0;
}
struct vlScreen* vlContextGetScreen
(
struct vlContext *context
)
{
assert(context);
return context->screen;
}
struct pipe_context* vlGetPipeContext
(
struct vlContext *context
)
{
assert(context);
return context->pipe;
}
unsigned int vlGetPictureWidth
(
struct vlContext *context
)
{
assert(context);
return context->picture_width;
}
unsigned int vlGetPictureHeight
(
struct vlContext *context
)
{
assert(context);
return context->picture_height;
}
enum vlFormat vlGetPictureFormat
(
struct vlContext *context
)
{
assert(context);
return context->picture_format;
}
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