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path: root/src/gallium/state_trackers/vega/renderer.c
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-rw-r--r--src/gallium/state_trackers/vega/renderer.c592
1 files changed, 592 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c
new file mode 100644
index 0000000000..f7c5f2f0cd
--- /dev/null
+++ b/src/gallium/state_trackers/vega/renderer.c
@@ -0,0 +1,592 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "renderer.h"
+
+#include "vg_context.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_shader_tokens.h"
+
+#include "util/u_draw_quad.h"
+#include "util/u_simple_shaders.h"
+#include "util/u_memory.h"
+
+#include "cso_cache/cso_context.h"
+
+struct renderer {
+ struct pipe_context *pipe;
+ struct vg_context *owner;
+
+ struct cso_context *cso;
+
+ void *fs;
+
+ VGfloat vertices[4][2][4];
+};
+
+static void setup_shaders(struct renderer *ctx)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ /* fragment shader */
+ ctx->fs = util_make_fragment_tex_shader(pipe);
+}
+
+static struct pipe_buffer *
+setup_vertex_data(struct renderer *ctx,
+ float x0, float y0, float x1, float y1, float z)
+{
+ ctx->vertices[0][0][0] = x0;
+ ctx->vertices[0][0][1] = y0;
+ ctx->vertices[0][0][2] = z;
+ ctx->vertices[0][1][0] = 0.0f; /*s*/
+ ctx->vertices[0][1][1] = 0.0f; /*t*/
+
+ ctx->vertices[1][0][0] = x1;
+ ctx->vertices[1][0][1] = y0;
+ ctx->vertices[1][0][2] = z;
+ ctx->vertices[1][1][0] = 1.0f; /*s*/
+ ctx->vertices[1][1][1] = 0.0f; /*t*/
+
+ ctx->vertices[2][0][0] = x1;
+ ctx->vertices[2][0][1] = y1;
+ ctx->vertices[2][0][2] = z;
+ ctx->vertices[2][1][0] = 1.0f;
+ ctx->vertices[2][1][1] = 1.0f;
+
+ ctx->vertices[3][0][0] = x0;
+ ctx->vertices[3][0][1] = y1;
+ ctx->vertices[3][0][2] = z;
+ ctx->vertices[3][1][0] = 0.0f;
+ ctx->vertices[3][1][1] = 1.0f;
+
+ return pipe_user_buffer_create( ctx->pipe->screen,
+ ctx->vertices,
+ sizeof(ctx->vertices) );
+}
+
+static struct pipe_buffer *
+setup_vertex_data_tex(struct renderer *ctx,
+ float x0, float y0, float x1, float y1,
+ float s0, float t0, float s1, float t1,
+ float z)
+{
+ ctx->vertices[0][0][0] = x0;
+ ctx->vertices[0][0][1] = y0;
+ ctx->vertices[0][0][2] = z;
+ ctx->vertices[0][1][0] = s0; /*s*/
+ ctx->vertices[0][1][1] = t0; /*t*/
+
+ ctx->vertices[1][0][0] = x1;
+ ctx->vertices[1][0][1] = y0;
+ ctx->vertices[1][0][2] = z;
+ ctx->vertices[1][1][0] = s1; /*s*/
+ ctx->vertices[1][1][1] = t0; /*t*/
+
+ ctx->vertices[2][0][0] = x1;
+ ctx->vertices[2][0][1] = y1;
+ ctx->vertices[2][0][2] = z;
+ ctx->vertices[2][1][0] = s1;
+ ctx->vertices[2][1][1] = t1;
+
+ ctx->vertices[3][0][0] = x0;
+ ctx->vertices[3][0][1] = y1;
+ ctx->vertices[3][0][2] = z;
+ ctx->vertices[3][1][0] = s0;
+ ctx->vertices[3][1][1] = t1;
+
+ return pipe_user_buffer_create( ctx->pipe->screen,
+ ctx->vertices,
+ sizeof(ctx->vertices) );
+}
+
+
+static struct pipe_buffer *
+setup_vertex_data_qtex(struct renderer *ctx,
+ float x0, float y0, float x1, float y1,
+ float x2, float y2, float x3, float y3,
+ float s0, float t0, float s1, float t1,
+ float z)
+{
+ ctx->vertices[0][0][0] = x0;
+ ctx->vertices[0][0][1] = y0;
+ ctx->vertices[0][0][2] = z;
+ ctx->vertices[0][1][0] = s0; /*s*/
+ ctx->vertices[0][1][1] = t0; /*t*/
+
+ ctx->vertices[1][0][0] = x1;
+ ctx->vertices[1][0][1] = y1;
+ ctx->vertices[1][0][2] = z;
+ ctx->vertices[1][1][0] = s1; /*s*/
+ ctx->vertices[1][1][1] = t0; /*t*/
+
+ ctx->vertices[2][0][0] = x2;
+ ctx->vertices[2][0][1] = y2;
+ ctx->vertices[2][0][2] = z;
+ ctx->vertices[2][1][0] = s1;
+ ctx->vertices[2][1][1] = t1;
+
+ ctx->vertices[3][0][0] = x3;
+ ctx->vertices[3][0][1] = y3;
+ ctx->vertices[3][0][2] = z;
+ ctx->vertices[3][1][0] = s0;
+ ctx->vertices[3][1][1] = t1;
+
+ return pipe_user_buffer_create( ctx->pipe->screen,
+ ctx->vertices,
+ sizeof(ctx->vertices) );
+}
+
+struct renderer * renderer_create(struct vg_context *owner)
+{
+ VGint i;
+ struct renderer *renderer = CALLOC_STRUCT(renderer);
+
+ if (!renderer)
+ return NULL;
+
+ renderer->owner = owner;
+ renderer->pipe = owner->pipe;
+ renderer->cso = owner->cso_context;
+
+ setup_shaders(renderer);
+
+ /* init vertex data that doesn't change */
+ for (i = 0; i < 4; i++) {
+ renderer->vertices[i][0][3] = 1.0f; /* w */
+ renderer->vertices[i][1][2] = 0.0f; /* r */
+ renderer->vertices[i][1][3] = 1.0f; /* q */
+ }
+
+ return renderer;
+}
+
+void renderer_destroy(struct renderer *ctx)
+{
+#if 0
+ if (ctx->fs) {
+ cso_delete_fragment_shader(ctx->cso, ctx->fs);
+ ctx->fs = NULL;
+ }
+#endif
+ free(ctx);
+}
+
+void renderer_draw_quad(struct renderer *r,
+ VGfloat x1, VGfloat y1,
+ VGfloat x2, VGfloat y2,
+ VGfloat depth)
+{
+ struct pipe_buffer *buf;
+
+ buf = setup_vertex_data(r, x1, y1, x2, y2, depth);
+
+ if (buf) {
+ util_draw_vertex_buffer(r->pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference( &buf,
+ NULL );
+ }
+}
+
+void renderer_draw_texture(struct renderer *r,
+ struct pipe_texture *tex,
+ VGfloat x1offset, VGfloat y1offset,
+ VGfloat x2offset, VGfloat y2offset,
+ VGfloat x1, VGfloat y1,
+ VGfloat x2, VGfloat y2)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_buffer *buf;
+ VGfloat s0, t0, s1, t1;
+
+ assert(tex->width[0] != 0);
+ assert(tex->height[0] != 0);
+
+ s0 = x1offset / tex->width[0];
+ s1 = x2offset / tex->width[0];
+ t0 = y1offset / tex->height[0];
+ t1 = y2offset / tex->height[0];
+
+ cso_save_vertex_shader(r->cso);
+ /* shaders */
+ cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner));
+
+ /* draw quad */
+ buf = setup_vertex_data_tex(r, x1, y1, x2, y2,
+ s0, t0, s1, t1, 0.0f);
+
+ if (buf) {
+ util_draw_vertex_buffer(pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference( &buf,
+ NULL );
+ }
+
+ cso_restore_vertex_shader(r->cso);
+}
+
+void renderer_copy_texture(struct renderer *ctx,
+ struct pipe_texture *src,
+ VGfloat sx1, VGfloat sy1,
+ VGfloat sx2, VGfloat sy2,
+ struct pipe_texture *dst,
+ VGfloat dx1, VGfloat dy1,
+ VGfloat dx2, VGfloat dy2)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_buffer *buf;
+ struct pipe_surface *dst_surf = screen->get_tex_surface(
+ screen, dst, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+ struct pipe_framebuffer_state fb;
+ float s0, t0, s1, t1;
+
+ assert(src->width[0] != 0);
+ assert(src->height[0] != 0);
+ assert(dst->width[0] != 0);
+ assert(dst->height[0] != 0);
+
+#if 0
+ debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n",
+ sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2);
+#endif
+
+#if 1
+ s0 = sx1 / src->width[0];
+ s1 = sx2 / src->width[0];
+ t0 = sy1 / src->height[0];
+ t1 = sy2 / src->height[0];
+#else
+ s0 = 0;
+ s1 = 1;
+ t0 = 0;
+ t1 = 1;
+#endif
+
+ assert(screen->is_format_supported(screen, dst_surf->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
+
+ /* save state (restored below) */
+ cso_save_blend(ctx->cso);
+ cso_save_samplers(ctx->cso);
+ cso_save_sampler_textures(ctx->cso);
+ cso_save_framebuffer(ctx->cso);
+ cso_save_fragment_shader(ctx->cso);
+ cso_save_vertex_shader(ctx->cso);
+
+ cso_save_viewport(ctx->cso);
+
+
+ /* set misc state we care about */
+ {
+ 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(ctx->cso, &blend);
+ }
+
+ /* sampler */
+ {
+ struct pipe_sampler_state sampler;
+ 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_FILTER_NEAREST;
+ sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler.normalized_coords = 1;
+ cso_single_sampler(ctx->cso, 0, &sampler);
+ cso_single_sampler_done(ctx->cso);
+ }
+
+ vg_set_viewport(ctx->owner, VEGA_Y0_TOP);
+
+ /* texture */
+ cso_set_sampler_textures(ctx->cso, 1, &src);
+
+ /* shaders */
+ cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner));
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
+
+ /* drawing dest */
+ memset(&fb, 0, sizeof(fb));
+ fb.width = dst_surf->width;
+ fb.height = dst_surf->height;
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst_surf;
+ {
+ VGint i;
+ for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i)
+ fb.cbufs[i] = 0;
+ }
+ cso_set_framebuffer(ctx->cso, &fb);
+
+ /* draw quad */
+ buf = setup_vertex_data_tex(ctx,
+ dx1, dy1,
+ dx2, dy2,
+ s0, t0, s1, t1,
+ 0.0f);
+
+ if (buf) {
+ util_draw_vertex_buffer(ctx->pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference( &buf,
+ NULL );
+ }
+
+ /* restore state we changed */
+ cso_restore_blend(ctx->cso);
+ cso_restore_samplers(ctx->cso);
+ cso_restore_sampler_textures(ctx->cso);
+ cso_restore_framebuffer(ctx->cso);
+ cso_restore_vertex_shader(ctx->cso);
+ cso_restore_fragment_shader(ctx->cso);
+ cso_restore_viewport(ctx->cso);
+
+ pipe_surface_reference(&dst_surf, NULL);
+}
+
+void renderer_copy_surface(struct renderer *ctx,
+ struct pipe_surface *src,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, unsigned filter)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_buffer *buf;
+ struct pipe_texture texTemp, *tex;
+ struct pipe_surface *texSurf;
+ struct pipe_framebuffer_state fb;
+ struct st_framebuffer *stfb = ctx->owner->draw_buffer;
+ const int srcW = abs(srcX1 - srcX0);
+ const int srcH = abs(srcY1 - srcY0);
+ const int srcLeft = MIN2(srcX0, srcX1);
+ const int srcTop = MIN2(srcY0, srcY1);
+
+ assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
+ filter == PIPE_TEX_MIPFILTER_LINEAR);
+
+ if (srcLeft != srcX0) {
+ /* left-right flip */
+ int tmp = dstX0;
+ dstX0 = dstX1;
+ dstX1 = tmp;
+ }
+
+ if (srcTop != srcY0) {
+ /* up-down flip */
+ int tmp = dstY0;
+ dstY0 = dstY1;
+ dstY1 = tmp;
+ }
+
+ assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
+ assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
+ assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
+
+ /*
+ * XXX for now we're always creating a temporary texture.
+ * Strictly speaking that's not always needed.
+ */
+
+ /* create temp texture */
+ memset(&texTemp, 0, sizeof(texTemp));
+ texTemp.target = PIPE_TEXTURE_2D;
+ texTemp.format = src->format;
+ texTemp.last_level = 0;
+ texTemp.width[0] = srcW;
+ texTemp.height[0] = srcH;
+ texTemp.depth[0] = 1;
+ pf_get_block(src->format, &texTemp.block);
+
+ tex = screen->texture_create(screen, &texTemp);
+ if (!tex)
+ return;
+
+ texSurf = screen->get_tex_surface(screen, tex, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+
+ /* load temp texture */
+ pipe->surface_copy(pipe,
+ texSurf, 0, 0, /* dest */
+ src, srcLeft, srcTop, /* src */
+ srcW, srcH); /* size */
+
+ /* free the surface, update the texture if necessary.*/
+ screen->tex_surface_destroy(texSurf);
+
+ /* save state (restored below) */
+ cso_save_blend(ctx->cso);
+ cso_save_samplers(ctx->cso);
+ cso_save_sampler_textures(ctx->cso);
+ cso_save_framebuffer(ctx->cso);
+ cso_save_fragment_shader(ctx->cso);
+ cso_save_vertex_shader(ctx->cso);
+ cso_save_viewport(ctx->cso);
+
+ /* set misc state we care about */
+ {
+ 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(ctx->cso, &blend);
+ }
+
+ vg_set_viewport(ctx->owner, VEGA_Y0_TOP);
+
+ /* sampler */
+ {
+ struct pipe_sampler_state sampler;
+ 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_FILTER_NEAREST;
+ sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler.normalized_coords = 1;
+ cso_single_sampler(ctx->cso, 0, &sampler);
+ cso_single_sampler_done(ctx->cso);
+ }
+
+ /* texture */
+ cso_set_sampler_textures(ctx->cso, 1, &tex);
+
+ /* shaders */
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
+ cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner));
+
+ /* drawing dest */
+ if (stfb->strb->surface != dst) {
+ memset(&fb, 0, sizeof(fb));
+ fb.width = dst->width;
+ fb.height = dst->height;
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst;
+ fb.zsbuf = stfb->dsrb->surface;
+ cso_set_framebuffer(ctx->cso, &fb);
+ }
+
+ /* draw quad */
+ buf = setup_vertex_data(ctx,
+ (float) dstX0, (float) dstY0,
+ (float) dstX1, (float) dstY1, z);
+
+ if (buf) {
+ util_draw_vertex_buffer(ctx->pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference( &buf,
+ NULL );
+ }
+
+
+ /* restore state we changed */
+ cso_restore_blend(ctx->cso);
+ cso_restore_samplers(ctx->cso);
+ cso_restore_sampler_textures(ctx->cso);
+ cso_restore_framebuffer(ctx->cso);
+ cso_restore_fragment_shader(ctx->cso);
+ cso_restore_vertex_shader(ctx->cso);
+ cso_restore_viewport(ctx->cso);
+
+ pipe_texture_reference(&tex, NULL);
+}
+
+void renderer_texture_quad(struct renderer *r,
+ struct pipe_texture *tex,
+ VGfloat x1offset, VGfloat y1offset,
+ VGfloat x2offset, VGfloat y2offset,
+ VGfloat x1, VGfloat y1,
+ VGfloat x2, VGfloat y2,
+ VGfloat x3, VGfloat y3,
+ VGfloat x4, VGfloat y4)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_buffer *buf;
+ VGfloat s0, t0, s1, t1;
+
+ assert(tex->width[0] != 0);
+ assert(tex->height[0] != 0);
+
+ s0 = x1offset / tex->width[0];
+ s1 = x2offset / tex->width[0];
+ t0 = y1offset / tex->height[0];
+ t1 = y2offset / tex->height[0];
+
+ cso_save_vertex_shader(r->cso);
+ /* shaders */
+ cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner));
+
+ /* draw quad */
+ buf = setup_vertex_data_qtex(r, x1, y1, x2, y2, x3, y3, x4, y4,
+ s0, t0, s1, t1, 0.0f);
+
+ if (buf) {
+ util_draw_vertex_buffer(pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference(&buf,
+ NULL);
+ }
+
+ cso_restore_vertex_shader(r->cso);
+}
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