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authorYounes Manton <younes.m@gmail.com>2008-09-09 02:27:05 -0400
committerYounes Manton <younes.m@gmail.com>2008-09-12 14:31:07 -0400
commit42a42dec3dbb5e150584b3d0b2e14e9b555a4ac1 (patch)
treea956d8c015bdd578d9c35ac9f6a87ac596dfcefd /src/gallium/state_trackers/g3dvl
parent59f23e92e24b93eb48f4e0552dd8e397aefd1714 (diff)
g3dvl: Fullscreen fixes. Respect src & dst coords during scaling, clear FB.
Diffstat (limited to 'src/gallium/state_trackers/g3dvl')
-rw-r--r--src/gallium/state_trackers/g3dvl/vl_basic_csc.c83
-rw-r--r--src/gallium/state_trackers/g3dvl/vl_surface.c4
-rw-r--r--src/gallium/state_trackers/g3dvl/vl_surface.h2
3 files changed, 53 insertions, 36 deletions
diff --git a/src/gallium/state_trackers/g3dvl/vl_basic_csc.c b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
index ea003a31d1..9f9dafc8a9 100644
--- a/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
+++ b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
@@ -14,6 +14,8 @@
struct vlVertexShaderConsts
{
+ struct vlVertex4f dst_scale;
+ struct vlVertex4f dst_trans;
struct vlVertex4f src_scale;
struct vlVertex4f src_trans;
};
@@ -87,6 +89,9 @@ static int vlResizeFrameBuffer
0
);
+ /* Clear to black, in case video doesn't fill the entire window */
+ pipe->clear(pipe, basic_csc->framebuffer.cbufs[0], 0);
+
return 0;
}
@@ -149,6 +154,15 @@ static int vlPutPictureCSC
PIPE_BUFFER_USAGE_CPU_WRITE
);
+ 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;
@@ -376,10 +390,12 @@ static int vlCreateVertexShader
}
/*
- * decl c0 ; Scaling vector to scale texcoord rect to source size
- * decl c1 ; Translation vector to move texcoord rect into position
+ * 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, 1);
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 3);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/*
@@ -392,21 +408,19 @@ static int vlCreateVertexShader
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
- /* decl t0 */
- decl = vl_decl_temps(0, 0);
+ /* decl t0, t1 */
+ decl = vl_decl_temps(0, 1);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
- /* mov o0, i0 ; Move pos in to pos out */
- inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_INPUT, 0);
- ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
- /* mul t0, i1, c0 ; Scale unit texcoord rect to source size */
- inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 1, TGSI_FILE_CONSTANT, 0);
- ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
- /* add o1, t0, c1 ; Translate texcoord rect into position */
- inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
- ti += tgsi_build_full_instruction(&inst, &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();
@@ -487,9 +501,8 @@ static int vlCreateFragmentShader
* dp4 o0.x, t0, c1 ; Multiply pixel by the color conversion matrix
* dp4 o0.y, t0, c2
* dp4 o0.z, t0, c3
- * dp4 o0.w, t0, c4 ; XXX: Don't need 4th coefficient
*/
- for (i = 0; i < 4; ++i)
+ 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;
@@ -519,11 +532,11 @@ static int vlCreateDataBufs
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
- */
+ * 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].pitch = sizeof(struct vlVertex2f);
csc->vertex_bufs[0].max_index = 3;
csc->vertex_bufs[0].buffer_offset = 0;
@@ -550,9 +563,9 @@ static int vlCreateDataBufs
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
- */
+ * 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].pitch = sizeof(struct vlVertex2f);
csc->vertex_bufs[1].max_index = 3;
csc->vertex_bufs[1].buffer_offset = 0;
@@ -579,9 +592,9 @@ static int vlCreateDataBufs
csc->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
/*
- Create our vertex shader's constant buffer
- Const buffer contains scaling and translation vectors
- */
+ * Create our vertex shader's constant buffer
+ * Const buffer contains scaling and translation vectors
+ */
csc->vs_const_buf.size = sizeof(struct vlVertexShaderConsts);
csc->vs_const_buf.buffer = pipe->winsys->buffer_create
(
@@ -592,9 +605,9 @@ static int vlCreateDataBufs
);
/*
- Create our fragment shader's constant buffer
- Const buffer contains the color conversion matrix and bias vectors
- */
+ * Create our fragment shader's constant buffer
+ * Const buffer contains the color conversion matrix and bias vectors
+ */
csc->fs_const_buf.size = sizeof(struct vlFragmentShaderConsts);
csc->fs_const_buf.buffer = pipe->winsys->buffer_create
(
@@ -605,9 +618,9 @@ static int vlCreateDataBufs
);
/*
- TODO: Refactor this into a seperate function,
- allow changing the CSC matrix at runtime to switch between regular & full versions
- */
+ * TODO: Refactor this into a seperate function,
+ * allow changing the CSC matrix at runtime to switch between regular & full versions
+ */
memcpy
(
pipe->winsys->buffer_map(pipe->winsys, csc->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
diff --git a/src/gallium/state_trackers/g3dvl/vl_surface.c b/src/gallium/state_trackers/g3dvl/vl_surface.c
index 687fd1ec29..07a9be2a99 100644
--- a/src/gallium/state_trackers/g3dvl/vl_surface.c
+++ b/src/gallium/state_trackers/g3dvl/vl_surface.c
@@ -104,6 +104,8 @@ int vlPutPicture
int desty,
int destw,
int desth,
+ int drawable_w,
+ int drawable_h,
enum vlPictureType picture_type
)
{
@@ -118,7 +120,7 @@ int vlPutPicture
csc = surface->context->csc;
pipe = surface->context->pipe;
- csc->vlResizeFrameBuffer(csc, destw, desth);
+ csc->vlResizeFrameBuffer(csc, drawable_w, drawable_h);
csc->vlBegin(csc);
diff --git a/src/gallium/state_trackers/g3dvl/vl_surface.h b/src/gallium/state_trackers/g3dvl/vl_surface.h
index b975e131fa..3e05050345 100644
--- a/src/gallium/state_trackers/g3dvl/vl_surface.h
+++ b/src/gallium/state_trackers/g3dvl/vl_surface.h
@@ -49,6 +49,8 @@ int vlPutPicture
int desty,
int destw,
int desth,
+ int drawable_w,
+ int drawable_h,
enum vlPictureType picture_type
);