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Diffstat (limited to 'mesalib/src/mesa/main/context.c')
-rw-r--r--mesalib/src/mesa/main/context.c72
1 files changed, 46 insertions, 26 deletions
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 0b8fb94e8..b7cd56866 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -587,6 +587,16 @@ _mesa_init_constants(struct gl_context *ctx)
ctx->Const.MaxSpotExponent = 128.0;
ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH;
ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT;
+ ctx->Const.MinMapBufferAlignment = 1;
+
+ /* Driver must override these values if ARB_viewport_array is supported. */
+ ctx->Const.MaxViewports = 1;
+ ctx->Const.ViewportSubpixelBits = 0;
+ ctx->Const.ViewportBounds.Min = 0;
+ ctx->Const.ViewportBounds.Max = 0;
+
+ /* Driver must override if it supports ARB_viewport_array */
+ ctx->Const.MaxViewports = 1;
/** GL_ARB_uniform_buffer_object */
ctx->Const.MaxCombinedUniformBlocks = 36;
@@ -1348,13 +1358,17 @@ _mesa_copy_context( const struct gl_context *src, struct gl_context *dst,
}
if (mask & GL_VIEWPORT_BIT) {
/* Cannot use memcpy, because of pointers in GLmatrix _WindowMap */
- dst->Viewport.X = src->Viewport.X;
- dst->Viewport.Y = src->Viewport.Y;
- dst->Viewport.Width = src->Viewport.Width;
- dst->Viewport.Height = src->Viewport.Height;
- dst->Viewport.Near = src->Viewport.Near;
- dst->Viewport.Far = src->Viewport.Far;
- _math_matrix_copy(&dst->Viewport._WindowMap, &src->Viewport._WindowMap);
+ unsigned i;
+ for (i = 0; i < src->Const.MaxViewports; i++) {
+ dst->ViewportArray[i].X = src->ViewportArray[i].X;
+ dst->ViewportArray[i].Y = src->ViewportArray[i].Y;
+ dst->ViewportArray[i].Width = src->ViewportArray[i].Width;
+ dst->ViewportArray[i].Height = src->ViewportArray[i].Height;
+ dst->ViewportArray[i].Near = src->ViewportArray[i].Near;
+ dst->ViewportArray[i].Far = src->ViewportArray[i].Far;
+ _math_matrix_copy(&dst->ViewportArray[i]._WindowMap,
+ &src->ViewportArray[i]._WindowMap);
+ }
}
/* XXX FIXME: Call callbacks?
@@ -1423,12 +1437,20 @@ void
_mesa_check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height)
{
if (!ctx->ViewportInitialized && width > 0 && height > 0) {
+ unsigned i;
+
/* Note: set flag here, before calling _mesa_set_viewport(), to prevent
* potential infinite recursion.
*/
ctx->ViewportInitialized = GL_TRUE;
- _mesa_set_viewport(ctx, 0, 0, width, height);
- _mesa_set_scissor(ctx, 0, 0, width, height);
+
+ /* Note: ctx->Const.MaxViewports may not have been set by the driver
+ * yet, so just initialize all of them.
+ */
+ for (i = 0; i < MAX_VIEWPORTS; i++) {
+ _mesa_set_viewport(ctx, i, 0, 0, width, height);
+ _mesa_set_scissor(ctx, i, 0, 0, width, height);
+ }
}
}
@@ -1744,10 +1766,10 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
if (ctx->NewState)
_mesa_update_state(ctx);
- if (ctx->Shader.CurrentVertexProgram) {
+ if (ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]) {
vert_from_glsl_shader = true;
- if (!ctx->Shader.CurrentVertexProgram->LinkStatus) {
+ if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(shader not linked)", where);
return GL_FALSE;
@@ -1756,19 +1778,19 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
{
char errMsg[100];
if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentVertexProgram,
+ ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX],
errMsg)) {
_mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentVertexProgram->Name, errMsg);
+ ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->Name, errMsg);
}
}
#endif
}
- if (ctx->Shader.CurrentGeometryProgram) {
+ if (ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]) {
geom_from_glsl_shader = true;
- if (!ctx->Shader.CurrentGeometryProgram->LinkStatus) {
+ if (!ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(shader not linked)", where);
return GL_FALSE;
@@ -1777,19 +1799,20 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
{
char errMsg[100];
if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentGeometryProgram,
+ ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY],
errMsg)) {
_mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentGeometryProgram->Name, errMsg);
+ ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->Name,
+ errMsg);
}
}
#endif
}
- if (ctx->Shader.CurrentFragmentProgram) {
+ if (ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]) {
frag_from_glsl_shader = true;
- if (!ctx->Shader.CurrentFragmentProgram->LinkStatus) {
+ if (!ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(shader not linked)", where);
return GL_FALSE;
@@ -1798,10 +1821,11 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
{
char errMsg[100];
if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentFragmentProgram,
+ ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT],
errMsg)) {
_mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentFragmentProgram->Name, errMsg);
+ ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->Name,
+ errMsg);
}
}
#endif
@@ -1851,13 +1875,9 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where)
#ifdef DEBUG
if (ctx->Shader.Flags & GLSL_LOG) {
- struct gl_shader_program *shProg[MESA_SHADER_STAGES];
+ struct gl_shader_program **shProg = ctx->Shader.CurrentProgram;
gl_shader_stage i;
- shProg[MESA_SHADER_VERTEX] = ctx->Shader.CurrentVertexProgram;
- shProg[MESA_SHADER_GEOMETRY] = ctx->Shader.CurrentGeometryProgram;
- shProg[MESA_SHADER_FRAGMENT] = ctx->Shader.CurrentFragmentProgram;
-
for (i = 0; i < MESA_SHADER_STAGES; i++) {
if (shProg[i] == NULL || shProg[i]->_Used
|| shProg[i]->_LinkedShaders[i] == NULL)