diff options
Diffstat (limited to 'src/gallium/state_trackers/g3dvl/vl_basic_csc.c')
-rw-r--r-- | src/gallium/state_trackers/g3dvl/vl_basic_csc.c | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/g3dvl/vl_basic_csc.c b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c new file mode 100644 index 0000000000..187a13a560 --- /dev/null +++ b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c @@ -0,0 +1,715 @@ +#define VL_INTERNAL +#include "vl_basic_csc.h" +#include <assert.h> +#include <pipe/p_context.h> +#include <pipe/p_state.h> +#include <pipe/p_inlines.h> +#include <tgsi/tgsi_parse.h> +#include <tgsi/tgsi_build.h> +#include <util/u_memory.h> +#include "vl_csc.h" +#include "vl_surface.h" +#include "vl_shader_build.h" +#include "vl_types.h" + +struct vlVertexShaderConsts +{ + struct vlVertex4f dst_scale; + struct vlVertex4f dst_trans; + struct vlVertex4f src_scale; + struct vlVertex4f src_trans; +}; + +struct vlFragmentShaderConsts +{ + struct vlVertex4f bias; + float matrix[16]; +}; + +struct vlBasicCSC +{ + struct vlCSC base; + + struct pipe_context *pipe; + struct pipe_viewport_state viewport; + struct pipe_framebuffer_state framebuffer; + struct pipe_texture *framebuffer_tex; + void *sampler; + void *vertex_shader, *fragment_shader; + struct pipe_vertex_buffer vertex_bufs[2]; + struct pipe_vertex_element vertex_elems[2]; + struct pipe_constant_buffer vs_const_buf, fs_const_buf; +}; + +static int vlResizeFrameBuffer +( + struct vlCSC *csc, + unsigned int width, + unsigned int height +) +{ + struct vlBasicCSC *basic_csc; + struct pipe_context *pipe; + struct pipe_texture template; + + assert(csc); + + basic_csc = (struct vlBasicCSC*)csc; + pipe = basic_csc->pipe; + + if (basic_csc->framebuffer.width == width && basic_csc->framebuffer.height == height) + return 0; + + basic_csc->viewport.scale[0] = width; + basic_csc->viewport.scale[1] = height; + basic_csc->viewport.scale[2] = 1; + basic_csc->viewport.scale[3] = 1; + basic_csc->viewport.translate[0] = 0; + basic_csc->viewport.translate[1] = 0; + basic_csc->viewport.translate[2] = 0; + basic_csc->viewport.translate[3] = 0; + + if (basic_csc->framebuffer_tex) + { + pipe_surface_reference(&basic_csc->framebuffer.cbufs[0], NULL); + pipe_texture_reference(&basic_csc->framebuffer_tex, NULL); + } + + memset(&template, 0, sizeof(struct pipe_texture)); + template.target = PIPE_TEXTURE_2D; + template.format = PIPE_FORMAT_A8R8G8B8_UNORM; + template.last_level = 0; + template.width[0] = width; + template.height[0] = height; + template.depth[0] = 1; + template.compressed = 0; + pf_get_block(template.format, &template.block); + template.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET; + + basic_csc->framebuffer_tex = pipe->screen->texture_create(pipe->screen, &template); + + basic_csc->framebuffer.width = width; + basic_csc->framebuffer.height = height; + basic_csc->framebuffer.cbufs[0] = pipe->screen->get_tex_surface + ( + pipe->screen, + basic_csc->framebuffer_tex, + 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE + ); + + /* Clear to black, in case video doesn't fill the entire window */ + pipe->clear(pipe, basic_csc->framebuffer.cbufs[0], 0); + + return 0; +} + +static int vlBegin +( + struct vlCSC *csc +) +{ + struct vlBasicCSC *basic_csc; + struct pipe_context *pipe; + + assert(csc); + + basic_csc = (struct vlBasicCSC*)csc; + pipe = basic_csc->pipe; + + pipe->set_framebuffer_state(pipe, &basic_csc->framebuffer); + pipe->set_viewport_state(pipe, &basic_csc->viewport); + pipe->bind_sampler_states(pipe, 1, (void**)&basic_csc->sampler); + /* Source texture set in vlPutPictureCSC() */ + pipe->bind_vs_state(pipe, basic_csc->vertex_shader); + pipe->bind_fs_state(pipe, basic_csc->fragment_shader); + pipe->set_vertex_buffers(pipe, 2, basic_csc->vertex_bufs); + pipe->set_vertex_elements(pipe, 2, basic_csc->vertex_elems); + pipe->set_constant_buffer(pipe, PIPE_SHADER_VERTEX, 0, &basic_csc->vs_const_buf); + pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &basic_csc->fs_const_buf); + + return 0; +} + +static int vlPutPictureCSC +( + struct vlCSC *csc, + struct vlSurface *surface, + int srcx, + int srcy, + int srcw, + int srch, + int destx, + int desty, + int destw, + int desth, + enum vlPictureType picture_type +) +{ + struct vlBasicCSC *basic_csc; + struct pipe_context *pipe; + struct vlVertexShaderConsts *vs_consts; + + assert(csc); + assert(surface); + + basic_csc = (struct vlBasicCSC*)csc; + pipe = basic_csc->pipe; + + vs_consts = pipe_buffer_map + ( + pipe->screen, + basic_csc->vs_const_buf.buffer, + PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD + ); + + vs_consts->dst_scale.x = destw / (float)basic_csc->framebuffer.cbufs[0]->width; + vs_consts->dst_scale.y = desth / (float)basic_csc->framebuffer.cbufs[0]->height; + vs_consts->dst_scale.z = 1; + vs_consts->dst_scale.w = 1; + vs_consts->dst_trans.x = destx / (float)basic_csc->framebuffer.cbufs[0]->width; + vs_consts->dst_trans.y = desty / (float)basic_csc->framebuffer.cbufs[0]->height; + vs_consts->dst_trans.z = 0; + vs_consts->dst_trans.w = 0; + + vs_consts->src_scale.x = srcw / (float)surface->texture->width[0]; + vs_consts->src_scale.y = srch / (float)surface->texture->height[0]; + vs_consts->src_scale.z = 1; + vs_consts->src_scale.w = 1; + vs_consts->src_trans.x = srcx / (float)surface->texture->width[0]; + vs_consts->src_trans.y = srcy / (float)surface->texture->height[0]; + vs_consts->src_trans.z = 0; + vs_consts->src_trans.w = 0; + + pipe_buffer_unmap(pipe->screen, basic_csc->vs_const_buf.buffer); + + pipe->set_sampler_textures(pipe, 1, &surface->texture); + pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLE_STRIP, 0, 4); + + return 0; +} + +static int vlEnd +( + struct vlCSC *csc +) +{ + assert(csc); + + return 0; +} + +static struct pipe_surface* vlGetFrameBuffer +( + struct vlCSC *csc +) +{ + struct vlBasicCSC *basic_csc; + + assert(csc); + + basic_csc = (struct vlBasicCSC*)csc; + + return basic_csc->framebuffer.cbufs[0]; +} + +static int vlDestroy +( + struct vlCSC *csc +) +{ + struct vlBasicCSC *basic_csc; + struct pipe_context *pipe; + unsigned int i; + + assert(csc); + + basic_csc = (struct vlBasicCSC*)csc; + pipe = basic_csc->pipe; + + if (basic_csc->framebuffer_tex) + { + pipe_surface_reference(&basic_csc->framebuffer.cbufs[0], NULL); + pipe_texture_reference(&basic_csc->framebuffer_tex, NULL); + } + + pipe->delete_sampler_state(pipe, basic_csc->sampler); + pipe->delete_vs_state(pipe, basic_csc->vertex_shader); + pipe->delete_fs_state(pipe, basic_csc->fragment_shader); + + for (i = 0; i < 2; ++i) + pipe_buffer_reference(pipe->screen, &basic_csc->vertex_bufs[i].buffer, NULL); + + pipe_buffer_reference(pipe->screen, &basic_csc->vs_const_buf.buffer, NULL); + pipe_buffer_reference(pipe->screen, &basic_csc->fs_const_buf.buffer, NULL); + + FREE(basic_csc); + + return 0; +} + +/* + * Represents 2 triangles in a strip in normalized coords. + * Used to render the surface onto the frame buffer. + */ +static const struct vlVertex2f surface_verts[4] = +{ + {0.0f, 0.0f}, + {0.0f, 1.0f}, + {1.0f, 0.0f}, + {1.0f, 1.0f} +}; + +/* + * Represents texcoords for the above. We can use the position values directly. + * TODO: Duplicate these in the shader, no need to create a buffer. + */ +static const struct vlVertex2f *surface_texcoords = surface_verts; + +/* + * Identity color conversion constants, for debugging + */ +static const struct vlFragmentShaderConsts identity = +{ + { + 0.0f, 0.0f, 0.0f, 0.0f + }, + { + 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [16,235] + */ +static const struct vlFragmentShaderConsts bt_601 = +{ + { + 0.0f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.0f, 0.0f, 1.371f, 0.0f, + 1.0f, -0.336f, -0.698f, 0.0f, + 1.0f, 1.732f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [0,255] + */ +static const struct vlFragmentShaderConsts bt_601_full = +{ + { + 0.062745098f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.164f, 0.0f, 1.596f, 0.0f, + 1.164f, -0.391f, -0.813f, 0.0f, + 1.164f, 2.018f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [16,235] + */ +static const struct vlFragmentShaderConsts bt_709 = +{ + { + 0.0f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.0f, 0.0f, 1.540f, 0.0f, + 1.0f, -0.183f, -0.459f, 0.0f, + 1.0f, 1.816f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [0,255] + */ +const struct vlFragmentShaderConsts bt_709_full = +{ + { + 0.062745098f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.164f, 0.0f, 1.793f, 0.0f, + 1.164f, -0.213f, -0.534f, 0.0f, + 1.164f, 2.115f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +static int vlCreateVertexShader +( + struct vlBasicCSC *csc +) +{ + const unsigned int max_tokens = 50; + + struct pipe_context *pipe; + struct pipe_shader_state vs; + struct tgsi_token *tokens; + struct tgsi_header *header; + + struct tgsi_full_declaration decl; + struct tgsi_full_instruction inst; + + unsigned int ti; + unsigned int i; + + assert(context); + + pipe = csc->pipe; + tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token)); + + /* Version */ + *(struct tgsi_version*)&tokens[0] = tgsi_build_version(); + /* Header */ + header = (struct tgsi_header*)&tokens[1]; + *header = tgsi_build_header(); + /* Processor */ + *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header); + + ti = 3; + + /* + * decl i0 ; Vertex pos + * decl i1 ; Vertex texcoords + */ + for (i = 0; i < 2; i++) + { + decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + } + + /* + * decl c0 ; Scaling vector to scale vertex pos rect to destination size + * decl c1 ; Translation vector to move vertex pos rect into position + * decl c2 ; Scaling vector to scale texcoord rect to source size + * decl c3 ; Translation vector to move texcoord rect into position + */ + decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 3); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* + * decl o0 ; Vertex pos + * decl o1 ; Vertex texcoords + */ + for (i = 0; i < 2; i++) + { + decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + } + + /* decl t0, t1 */ + decl = vl_decl_temps(0, 1); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* + * madd o0, i0, c0, c1 ; Scale and translate unit output rect to destination size and pos + * madd o1, i1, c2, c3 ; Scale and translate unit texcoord rect to source size and pos + */ + for (i = 0; i < 2; ++i) + { + inst = vl_inst4(TGSI_OPCODE_MADD, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i, TGSI_FILE_CONSTANT, i * 2, TGSI_FILE_CONSTANT, i * 2 + 1); + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + } + + /* end */ + inst = vl_end(); + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + + vs.tokens = tokens; + csc->vertex_shader = pipe->create_vs_state(pipe, &vs); + FREE(tokens); + + return 0; +} + +static int vlCreateFragmentShader +( + struct vlBasicCSC *csc +) +{ + const unsigned int max_tokens = 50; + + struct pipe_context *pipe; + struct pipe_shader_state fs; + struct tgsi_token *tokens; + struct tgsi_header *header; + + struct tgsi_full_declaration decl; + struct tgsi_full_instruction inst; + + unsigned int ti; + unsigned int i; + + assert(context); + + pipe = csc->pipe; + tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token)); + + /* Version */ + *(struct tgsi_version*)&tokens[0] = tgsi_build_version(); + /* Header */ + header = (struct tgsi_header*)&tokens[1]; + *header = tgsi_build_header(); + /* Processor */ + *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header); + + ti = 3; + + /* decl i0 ; Texcoords for s0 */ + decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, 1, 0, 0, TGSI_INTERPOLATE_LINEAR); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* + * decl c0 ; Bias vector for CSC + * decl c1-c4 ; CSC matrix c1-c4 + */ + decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 4); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* decl o0 ; Fragment color */ + decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* decl t0 */ + decl = vl_decl_temps(0, 0); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* decl s0 ; Sampler for tex containing picture to display */ + decl = vl_decl_samplers(0, 0); + ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti); + + /* tex2d t0, i0, s0 ; Read src pixel */ + inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_SAMPLER, 0); + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + + /* sub t0, t0, c0 ; Subtract bias vector from pixel */ + inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0); + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + + /* + * dp4 o0.x, t0, c1 ; Multiply pixel by the color conversion matrix + * dp4 o0.y, t0, c2 + * dp4 o0.z, t0, c3 + */ + for (i = 0; i < 3; ++i) + { + inst = vl_inst3(TGSI_OPCODE_DP4, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 1); + inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i; + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + } + + /* end */ + inst = vl_end(); + ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti); + + fs.tokens = tokens; + csc->fragment_shader = pipe->create_fs_state(pipe, &fs); + FREE(tokens); + + return 0; +} + +static int vlCreateDataBufs +( + struct vlBasicCSC *csc +) +{ + struct pipe_context *pipe; + + assert(csc); + + pipe = csc->pipe; + + /* + * Create our vertex buffer and vertex buffer element + * VB contains 4 vertices that render a quad covering the entire window + * to display a rendered surface + * Quad is rendered as a tri strip + */ + csc->vertex_bufs[0].stride = sizeof(struct vlVertex2f); + csc->vertex_bufs[0].max_index = 3; + csc->vertex_bufs[0].buffer_offset = 0; + csc->vertex_bufs[0].buffer = pipe_buffer_create + ( + pipe->screen, + 1, + PIPE_BUFFER_USAGE_VERTEX, + sizeof(struct vlVertex2f) * 4 + ); + + memcpy + ( + pipe_buffer_map(pipe->screen, csc->vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE), + surface_verts, + sizeof(struct vlVertex2f) * 4 + ); + + pipe_buffer_unmap(pipe->screen, csc->vertex_bufs[0].buffer); + + csc->vertex_elems[0].src_offset = 0; + csc->vertex_elems[0].vertex_buffer_index = 0; + csc->vertex_elems[0].nr_components = 2; + csc->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT; + + /* + * Create our texcoord buffer and texcoord buffer element + * Texcoord buffer contains the TCs for mapping the rendered surface to the 4 vertices + */ + csc->vertex_bufs[1].stride = sizeof(struct vlVertex2f); + csc->vertex_bufs[1].max_index = 3; + csc->vertex_bufs[1].buffer_offset = 0; + csc->vertex_bufs[1].buffer = pipe_buffer_create + ( + pipe->screen, + 1, + PIPE_BUFFER_USAGE_VERTEX, + sizeof(struct vlVertex2f) * 4 + ); + + memcpy + ( + pipe_buffer_map(pipe->screen, csc->vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE), + surface_texcoords, + sizeof(struct vlVertex2f) * 4 + ); + + pipe_buffer_unmap(pipe->screen, csc->vertex_bufs[1].buffer); + + csc->vertex_elems[1].src_offset = 0; + csc->vertex_elems[1].vertex_buffer_index = 1; + csc->vertex_elems[1].nr_components = 2; + csc->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT; + + /* + * Create our vertex shader's constant buffer + * Const buffer contains scaling and translation vectors + */ + csc->vs_const_buf.buffer = pipe_buffer_create + ( + pipe->screen, + 1, + PIPE_BUFFER_USAGE_CONSTANT | PIPE_BUFFER_USAGE_DISCARD, + sizeof(struct vlVertexShaderConsts) + ); + + /* + * Create our fragment shader's constant buffer + * Const buffer contains the color conversion matrix and bias vectors + */ + csc->fs_const_buf.buffer = pipe_buffer_create + ( + pipe->screen, + 1, + PIPE_BUFFER_USAGE_CONSTANT, + sizeof(struct vlFragmentShaderConsts) + ); + + /* + * TODO: Refactor this into a seperate function, + * allow changing the CSC matrix at runtime to switch between regular & full versions + */ + memcpy + ( + pipe_buffer_map(pipe->screen, csc->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE), + &bt_601_full, + sizeof(struct vlFragmentShaderConsts) + ); + + pipe_buffer_unmap(pipe->screen, csc->fs_const_buf.buffer); + + return 0; +} + +static int vlInit +( + struct vlBasicCSC *csc +) +{ + struct pipe_context *pipe; + struct pipe_sampler_state sampler; + + assert(csc); + + pipe = csc->pipe; + + /* Delay creating the FB until vlPutPictureCSC() so we know window size */ + csc->framebuffer_tex = NULL; + csc->framebuffer.width = 0; + csc->framebuffer.height = 0; + csc->framebuffer.nr_cbufs = 1; + csc->framebuffer.cbufs[0] = NULL; + csc->framebuffer.zsbuf = NULL; + + 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_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.compare_mode = PIPE_TEX_COMPARE_NONE; + sampler.compare_func = PIPE_FUNC_ALWAYS; + sampler.normalized_coords = 1; + /*sampler.prefilter = ;*/ + /*sampler.shadow_ambient = ;*/ + /*sampler.lod_bias = ;*/ + /*sampler.min_lod = ;*/ + /*sampler.max_lod = ;*/ + /*sampler.border_color[i] = ;*/ + /*sampler.max_anisotropy = ;*/ + csc->sampler = pipe->create_sampler_state(pipe, &sampler); + + vlCreateVertexShader(csc); + vlCreateFragmentShader(csc); + vlCreateDataBufs(csc); + + return 0; +} + +int vlCreateBasicCSC +( + struct pipe_context *pipe, + struct vlCSC **csc +) +{ + struct vlBasicCSC *basic_csc; + + assert(pipe); + assert(csc); + + basic_csc = CALLOC_STRUCT(vlBasicCSC); + + if (!basic_csc) + return 1; + + basic_csc->base.vlResizeFrameBuffer = &vlResizeFrameBuffer; + basic_csc->base.vlBegin = &vlBegin; + basic_csc->base.vlPutPicture = &vlPutPictureCSC; + basic_csc->base.vlEnd = &vlEnd; + basic_csc->base.vlGetFrameBuffer = &vlGetFrameBuffer; + basic_csc->base.vlDestroy = &vlDestroy; + basic_csc->pipe = pipe; + + vlInit(basic_csc); + + *csc = &basic_csc->base; + + return 0; +} |