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path: root/src/mesa/state_tracker/st_cb_drawpixels.c
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Diffstat (limited to 'src/mesa/state_tracker/st_cb_drawpixels.c')
-rw-r--r--src/mesa/state_tracker/st_cb_drawpixels.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 2a084ca577..36c0a2b0e1 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -93,8 +93,9 @@ is_passthrough_program(const struct gl_fragment_program *prog)
/**
* Make fragment shader for glDraw/CopyPixels. This shader is made
* by combining the pixel transfer shader with the user-defined shader.
+ * \return pointer to Gallium driver fragment shader
*/
-static struct st_fragment_program *
+static void *
combined_drawpix_fragment_program(GLcontext *ctx)
{
struct st_context *st = st_context(ctx);
@@ -113,7 +114,7 @@ combined_drawpix_fragment_program(GLcontext *ctx)
*/
if (is_passthrough_program(&st->fp->Base)) {
stfp = (struct st_fragment_program *)
- _mesa_clone_program(ctx, &st->pixel_xfer.program->Base.Base);
+ _mesa_clone_fragment_program(ctx, &st->pixel_xfer.program->Base);
}
else {
#if 0
@@ -156,7 +157,7 @@ combined_drawpix_fragment_program(GLcontext *ctx)
*/
st_upload_constants(st, stfp->Base.Base.Parameters, PIPE_SHADER_FRAGMENT);
- return stfp;
+ return stfp->driver_shader;
}
@@ -164,8 +165,9 @@ combined_drawpix_fragment_program(GLcontext *ctx)
* Create fragment shader that does a TEX() instruction to get a Z
* value, then writes to FRAG_RESULT_DEPTH.
* Pass fragment color through as-is.
+ * \return pointer to the Gallium driver fragment shader
*/
-static struct st_fragment_program *
+static void *
make_fragment_shader_z(struct st_context *st)
{
GLcontext *ctx = st->ctx;
@@ -173,7 +175,7 @@ make_fragment_shader_z(struct st_context *st)
GLuint ic = 0;
if (st->drawpix.z_shader) {
- return st->drawpix.z_shader;
+ return st->drawpix.z_shader->driver_shader;
}
/*
@@ -223,7 +225,7 @@ make_fragment_shader_z(struct st_context *st)
st->drawpix.z_shader = (struct st_fragment_program *) p;
st_translate_fragment_program(st, st->drawpix.z_shader);
- return st->drawpix.z_shader;
+ return st->drawpix.z_shader->driver_shader;
}
@@ -233,8 +235,8 @@ make_fragment_shader_z(struct st_context *st)
* vertex position and texcoord (and optionally, color).
*/
static void *
-st_make_passthrough_vertex_shader(struct st_context *st,
- GLboolean passColor)
+make_passthrough_vertex_shader(struct st_context *st,
+ GLboolean passColor)
{
if (!st->drawpix.vert_shaders[passColor]) {
struct ureg_program *ureg =
@@ -270,8 +272,12 @@ st_make_passthrough_vertex_shader(struct st_context *st,
}
+/**
+ * Return a texture internalFormat for drawing/copying an image
+ * of the given type.
+ */
static GLenum
-_mesa_base_format(GLenum format)
+base_format(GLenum format)
{
switch (format) {
case GL_DEPTH_COMPONENT:
@@ -306,7 +312,7 @@ make_texture(struct st_context *st,
GLenum baseFormat;
int ptw, pth;
- baseFormat = _mesa_base_format(format);
+ baseFormat = base_format(format);
mformat = st_ChooseTextureFormat(ctx, baseFormat, format, type);
assert(mformat);
@@ -764,10 +770,8 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels)
{
- struct st_fragment_program *stfp;
- void *driver_vp;
+ void *driver_vp, *driver_fp;
struct st_context *st = st_context(ctx);
- struct pipe_surface *ps;
const GLfloat *color;
if (format == GL_STENCIL_INDEX ||
@@ -783,15 +787,13 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
st_validate_state(st);
if (format == GL_DEPTH_COMPONENT) {
- ps = st->state.framebuffer.zsbuf;
- stfp = make_fragment_shader_z(st);
- driver_vp = st_make_passthrough_vertex_shader(st, GL_TRUE);
+ driver_fp = make_fragment_shader_z(st);
+ driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
color = ctx->Current.RasterColor;
}
else {
- ps = st->state.framebuffer.cbufs[0];
- stfp = combined_drawpix_fragment_program(ctx);
- driver_vp = st_make_passthrough_vertex_shader(st, GL_FALSE);
+ driver_fp = combined_drawpix_fragment_program(ctx);
+ driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
color = NULL;
}
@@ -804,7 +806,7 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
pt,
driver_vp,
- stfp->driver_shader,
+ driver_fp,
color, GL_FALSE);
pipe_texture_reference(&pt, NULL);
}
@@ -922,8 +924,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct st_renderbuffer *rbRead;
- void *driver_vp;
- struct st_fragment_program *stfp;
+ void *driver_vp, *driver_fp;
struct pipe_texture *pt;
GLfloat *color;
enum pipe_format srcFormat, texFormat;
@@ -970,15 +971,15 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
if (type == GL_COLOR) {
rbRead = st_get_color_read_renderbuffer(ctx);
color = NULL;
- stfp = combined_drawpix_fragment_program(ctx);
- driver_vp = st_make_passthrough_vertex_shader(st, GL_FALSE);
+ driver_fp = combined_drawpix_fragment_program(ctx);
+ driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
}
else {
assert(type == GL_DEPTH);
rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
- stfp = make_fragment_shader_z(st);
- driver_vp = st_make_passthrough_vertex_shader(st, GL_TRUE);
+ driver_fp = make_fragment_shader_z(st);
+ driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
srcFormat = rbRead->texture->format;
@@ -1112,7 +1113,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy,
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
pt,
driver_vp,
- stfp->driver_shader,
+ driver_fp,
color, GL_TRUE);
pipe_texture_reference(&pt, NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-09 08:22:54 +0000