From: Christian König Date: Wed, 24 Nov 2010 22:54:21 +0000 (+0100) Subject: [g3dvl] use four elements in matrix texture fetch X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c9e10c666adc64f6c5dfb04422560508f115aa54;p=mesa.git [g3dvl] use four elements in matrix texture fetch --- diff --git a/src/gallium/auxiliary/vl/vl_idct.c b/src/gallium/auxiliary/vl/vl_idct.c index 6e49600a286..497e67e94d3 100644 --- a/src/gallium/auxiliary/vl/vl_idct.c +++ b/src/gallium/auxiliary/vl/vl_idct.c @@ -147,10 +147,10 @@ static void matrix_mul(struct ureg_program *shader, struct ureg_dst dst, struct ureg_src tc[2], struct ureg_src sampler[2], struct ureg_src start[2], struct ureg_src step[2], - float scale) + bool fetch4[2], float scale) { struct ureg_dst t_tc[2], m[2][2], tmp[2]; - unsigned i, j; + unsigned side, i, j; for(i = 0; i < 2; ++i) { t_tc[i] = ureg_DECL_temporary(shader); @@ -170,17 +170,19 @@ matrix_mul(struct ureg_program *shader, struct ureg_dst dst, ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_X), tc[1]); ureg_MOV(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_Y), start[1]); - for(i = 0; i < 2; ++i) { - for(j = 0; j < 4; ++j) { - /* Nouveau and r600g can't writemask tex dst regs (yet?), do in two steps */ - ureg_TEX(shader, tmp[0], TGSI_TEXTURE_2D, ureg_src(t_tc[0]), sampler[0]); - ureg_MOV(shader, ureg_writemask(m[i][0], TGSI_WRITEMASK_X << j), ureg_scalar(ureg_src(tmp[0]), TGSI_SWIZZLE_X)); + for(side = 0; side < 2; ++side) { + for(i = 0; i < 2; ++i) { + if(fetch4[side]) { + ureg_TEX(shader, m[i][side], TGSI_TEXTURE_2D, ureg_src(t_tc[side]), sampler[side]); + ureg_ADD(shader, ureg_writemask(t_tc[side], TGSI_WRITEMASK_X), ureg_src(t_tc[side]), step[side]); - ureg_TEX(shader, tmp[1], TGSI_TEXTURE_2D, ureg_src(t_tc[1]), sampler[1]); - ureg_MOV(shader, ureg_writemask(m[i][1], TGSI_WRITEMASK_X << j), ureg_scalar(ureg_src(tmp[1]), TGSI_SWIZZLE_X)); + } else for(j = 0; j < 4; ++j) { + /* Nouveau and r600g can't writemask tex dst regs (yet?), do in two steps */ + ureg_TEX(shader, tmp[side], TGSI_TEXTURE_2D, ureg_src(t_tc[side]), sampler[side]); + ureg_MOV(shader, ureg_writemask(m[i][side], TGSI_WRITEMASK_X << j), ureg_scalar(ureg_src(tmp[side]), TGSI_SWIZZLE_X)); - ureg_ADD(shader, ureg_writemask(t_tc[0], TGSI_WRITEMASK_X), ureg_src(t_tc[0]), step[0]); - ureg_ADD(shader, ureg_writemask(t_tc[1], TGSI_WRITEMASK_Y), ureg_src(t_tc[1]), step[1]); + ureg_ADD(shader, ureg_writemask(t_tc[side], TGSI_WRITEMASK_X << side), ureg_src(t_tc[side]), step[side]); + } } } @@ -204,6 +206,7 @@ create_transpose_frag_shader(struct vl_idct *idct) struct ureg_src tc[2], sampler[2]; struct ureg_src start[2], step[2]; struct ureg_dst fragment; + bool fetch4[2]; shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (!shader) @@ -215,15 +218,18 @@ create_transpose_frag_shader(struct vl_idct *idct) start[0] = ureg_imm1f(shader, 0.0f); start[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_START, TGSI_INTERPOLATE_CONSTANT); - step[0] = ureg_imm1f(shader, 1.0f / BLOCK_HEIGHT); + step[0] = ureg_imm1f(shader, 4.0f / BLOCK_HEIGHT); step[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_STEP, TGSI_INTERPOLATE_CONSTANT); sampler[0] = ureg_DECL_sampler(shader, 0); sampler[1] = ureg_DECL_sampler(shader, 1); + fetch4[0] = true; + fetch4[1] = false; + fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); - matrix_mul(shader, fragment, tc, sampler, start, step, STAGE1_SCALE); + matrix_mul(shader, fragment, tc, sampler, start, step, fetch4, STAGE1_SCALE); ureg_END(shader); @@ -237,6 +243,7 @@ create_matrix_frag_shader(struct vl_idct *idct) struct ureg_src tc[2], sampler[2]; struct ureg_src start[2], step[2]; struct ureg_dst fragment; + bool fetch4[2]; shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); if (!shader) @@ -254,9 +261,12 @@ create_matrix_frag_shader(struct vl_idct *idct) sampler[0] = ureg_DECL_sampler(shader, 1); sampler[1] = ureg_DECL_sampler(shader, 0); + fetch4[0] = false; + fetch4[1] = false; + fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); - matrix_mul(shader, fragment, tc, sampler, start, step, STAGE2_SCALE); + matrix_mul(shader, fragment, tc, sampler, start, step, fetch4, STAGE2_SCALE); ureg_END(shader); @@ -360,18 +370,20 @@ init_buffers(struct vl_idct *idct) memset(&template, 0, sizeof(struct pipe_resource)); template.target = PIPE_TEXTURE_2D; - template.format = PIPE_FORMAT_R32_FLOAT; + template.format = PIPE_FORMAT_R32G32B32A32_FLOAT; template.last_level = 0; - template.width0 = 8; + template.width0 = 2; template.height0 = 8; template.depth0 = 1; template.usage = PIPE_USAGE_IMMUTABLE; template.bind = PIPE_BIND_SAMPLER_VIEW; template.flags = 0; - idct->textures.individual.matrix = idct->pipe->screen->resource_create(idct->pipe->screen, &template); idct->textures.individual.transpose = idct->pipe->screen->resource_create(idct->pipe->screen, &template); + template.width0 = 8; + idct->textures.individual.matrix = idct->pipe->screen->resource_create(idct->pipe->screen, &template); + template.format = idct->destination->format; template.width0 = idct->destination->width0; template.height0 = idct->destination->height0; @@ -505,7 +517,7 @@ init_constants(struct vl_idct *idct) f = idct->pipe->transfer_map(idct->pipe, buf_transfer); for(i = 0; i < BLOCK_HEIGHT; ++i) for(j = 0; j < BLOCK_WIDTH; ++j) - f[i * pitch + j] = const_matrix[j][i]; // transpose + f[i * pitch * 4 + j] = const_matrix[j][i]; // transpose idct->pipe->transfer_unmap(idct->pipe, buf_transfer); idct->pipe->transfer_destroy(idct->pipe, buf_transfer); @@ -523,7 +535,7 @@ init_constants(struct vl_idct *idct) f = idct->pipe->transfer_map(idct->pipe, buf_transfer); for(i = 0; i < BLOCK_HEIGHT; ++i) for(j = 0; j < BLOCK_WIDTH; ++j) - f[i * pitch + j] = const_matrix[i][j]; + f[i * pitch * 4 + j * 4] = const_matrix[i][j]; idct->pipe->transfer_unmap(idct->pipe, buf_transfer); idct->pipe->transfer_destroy(idct->pipe, buf_transfer);