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authorMarek Olšák <[email protected]>2010-07-12 05:16:19 +0200
committerMarek Olšák <[email protected]>2010-07-12 05:16:19 +0200
commit3bd15a9e4336233b82b063ea7257eeeee7e03b07 (patch)
tree198d31f4946cf363c39641e6d137b2e412e42d6e /src/gallium/auxiliary/util/u_blitter.c
parent9b03da9bddc9a39adde746fe377bbc66d7eac418 (diff)
u_blitter: simplify blitter_set_rectangle
Diffstat (limited to 'src/gallium/auxiliary/util/u_blitter.c')
-rw-r--r--src/gallium/auxiliary/util/u_blitter.c51
1 files changed, 32 insertions, 19 deletions
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index fde7d4346d7..42f2e02b8a0 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -101,6 +101,10 @@ struct blitter_context_priv
/* Clip state. */
struct pipe_clip_state clip;
+
+ /* Destination surface dimensions. */
+ unsigned dst_width;
+ unsigned dst_height;
};
struct blitter_context *util_blitter_create(struct pipe_context *pipe)
@@ -342,34 +346,33 @@ static void blitter_restore_CSOs(struct blitter_context_priv *ctx)
static void blitter_set_rectangle(struct blitter_context_priv *ctx,
unsigned x1, unsigned y1,
unsigned x2, unsigned y2,
- unsigned width, unsigned height,
float depth)
{
int i;
/* set vertex positions */
- ctx->vertices[0][0][0] = (float)x1 / width * 2.0f - 1.0f; /*v0.x*/
- ctx->vertices[0][0][1] = (float)y1 / height * 2.0f - 1.0f; /*v0.y*/
+ ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/
+ ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/
- ctx->vertices[1][0][0] = (float)x2 / width * 2.0f - 1.0f; /*v1.x*/
- ctx->vertices[1][0][1] = (float)y1 / height * 2.0f - 1.0f; /*v1.y*/
+ ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/
+ ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/
- ctx->vertices[2][0][0] = (float)x2 / width * 2.0f - 1.0f; /*v2.x*/
- ctx->vertices[2][0][1] = (float)y2 / height * 2.0f - 1.0f; /*v2.y*/
+ ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/
+ ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/
- ctx->vertices[3][0][0] = (float)x1 / width * 2.0f - 1.0f; /*v3.x*/
- ctx->vertices[3][0][1] = (float)y2 / height * 2.0f - 1.0f; /*v3.y*/
+ ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/
+ ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/
for (i = 0; i < 4; i++)
ctx->vertices[i][0][2] = depth; /*z*/
/* viewport */
- ctx->viewport.scale[0] = 0.5f * width;
- ctx->viewport.scale[1] = 0.5f * height;
+ ctx->viewport.scale[0] = 0.5f * ctx->dst_width;
+ ctx->viewport.scale[1] = 0.5f * ctx->dst_height;
ctx->viewport.scale[2] = 1.0f;
ctx->viewport.scale[3] = 1.0f;
- ctx->viewport.translate[0] = 0.5f * width;
- ctx->viewport.translate[1] = 0.5f * height;
+ ctx->viewport.translate[0] = 0.5f * ctx->dst_width;
+ ctx->viewport.translate[1] = 0.5f * ctx->dst_height;
ctx->viewport.translate[2] = 0.0f;
ctx->viewport.translate[3] = 0.0f;
ctx->base.pipe->set_viewport_state(ctx->base.pipe, &ctx->viewport);
@@ -477,6 +480,13 @@ static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx,
ctx->vertices[i][1][3] = 1; /*q*/
}
+static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx,
+ unsigned width, unsigned height)
+{
+ ctx->dst_width = width;
+ ctx->dst_height = height;
+}
+
static void blitter_draw_quad(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
@@ -530,7 +540,7 @@ void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs)
/** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
static unsigned
-pipe_tex_to_tgsi_tex(unsigned pipe_tex_target)
+pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target)
{
switch (pipe_tex_target) {
case PIPE_TEXTURE_1D:
@@ -629,8 +639,9 @@ void util_blitter_clear(struct blitter_context *blitter,
pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs));
pipe->bind_vs_state(pipe, ctx->vs_col);
+ blitter_set_dst_dimensions(ctx, width, height);
blitter_set_clear_color(ctx, rgba);
- blitter_set_rectangle(ctx, 0, 0, width, height, width, height, depth);
+ blitter_set_rectangle(ctx, 0, 0, width, height, depth);
blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
}
@@ -764,8 +775,8 @@ void util_blitter_copy_region(struct blitter_context *blitter,
return;
}
- blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height,
- dstsurf->width, dstsurf->height, 0);
+ blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
+ blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, 0);
blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
@@ -808,8 +819,9 @@ void util_blitter_clear_render_target(struct blitter_context *blitter,
fb_state.zsbuf = 0;
pipe->set_framebuffer_state(pipe, &fb_state);
+ blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter_set_clear_color(ctx, rgba);
- blitter_set_rectangle(ctx, 0, 0, width, height, dstsurf->width, dstsurf->height, 0);
+ blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, 0);
blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
}
@@ -868,7 +880,8 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
fb_state.zsbuf = dstsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
- blitter_set_rectangle(ctx, 0, 0, width, height, dstsurf->width, dstsurf->height, depth);
+ blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
+ blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, depth);
blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
}