Module: Mesa Branch: master Commit: f4041b37e2d305cff0a97eb836250e9f8b1840a8 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f4041b37e2d305cff0a97eb836250e9f8b1840a8
Author: Marek Olšák <[email protected]> Date: Sat Nov 14 22:14:42 2009 +0100 r300g: fix rectangle textures on r3xx Adapted from Maciej Cencora's patch. --- src/gallium/drivers/r300/r300_emit.c | 22 ++++++++++++++++++++-- src/gallium/drivers/r300/r300_state.c | 8 ++++++++ 2 files changed, 28 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index c50c989..0bdf582 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -129,7 +129,9 @@ static const float * get_shader_constant( struct rc_constant * constant, struct r300_constant_buffer * externals) { - static const float zero[4] = { 0.0, 0.0, 0.0, 0.0 }; + static float vec[4] = { 0.0, 0.0, 0.0, 0.0 }; + struct pipe_texture *tex; + switch(constant->Type) { case RC_CONSTANT_EXTERNAL: return externals->constants[constant->u.External]; @@ -137,10 +139,26 @@ static const float * get_shader_constant( case RC_CONSTANT_IMMEDIATE: return constant->u.Immediate; + case RC_CONSTANT_STATE: + switch (constant->u.State[0]) + { + /* R3xx-specific */ + case RC_STATE_R300_TEXRECT_FACTOR: + tex = &r300->textures[constant->u.State[1]]->tex; + vec[0] = 1.0 / tex->width[0]; + vec[1] = 1.0 / tex->height[0]; + vec[2] = vec[3] = 1; + break; + + default: + assert(0); + } + return vec; + default: debug_printf("r300: Implementation error: Unhandled constant type %i\n", constant->Type); - return zero; + return vec; } } diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index d1eced6..00f10ff 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -571,6 +571,7 @@ static void r300_set_sampler_textures(struct pipe_context* pipe, struct pipe_texture** texture) { struct r300_context* r300 = r300_context(pipe); + boolean is_r500 = r300_screen(r300->context.screen)->caps->is_r500; int i; /* XXX magic num */ @@ -585,6 +586,13 @@ static void r300_set_sampler_textures(struct pipe_context* pipe, pipe_texture_reference((struct pipe_texture**)&r300->textures[i], texture[i]); r300->dirty_state |= (R300_NEW_TEXTURE << i); + + /* R300-specific - set the texrect factor in a fragment shader */ + if (!is_r500 && r300->textures[i]->is_npot) { + /* XXX It would be nice to re-emit just 1 constant, + * XXX not all of them */ + r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS; + } } } _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
